{"id":432,"date":"2023-05-23T18:17:20","date_gmt":"2023-05-23T11:17:20","guid":{"rendered":"https:\/\/englishteststore.net\/lesson\/vi\/uncategorized\/thanh-ngu-back-of-the-envelope-la-gi-y-nghia-va-cach-dung-trong-tieng-anh\/"},"modified":"2023-05-23T18:17:20","modified_gmt":"2023-05-23T11:17:20","slug":"back-of-the-envelope-idiom-meaning-and-example-usage-in-sentences","status":"publish","type":"post","link":"https:\/\/englishteststore.net\/lesson\/vi\/english-idioms\/back-of-the-envelope-idiom-meaning-and-example-usage-in-sentences\/","title":{"rendered":"Th\u00e0nh ng\u1eef Back-of-the-Envelope l\u00e0 g\u00ec? \u00dd ngh\u0129a v\u00e0 c\u00e1ch d\u00f9ng trong ti\u1ebfng Anh"},"content":{"rendered":"\n<div class=\"wp-block-humix-humix-block\" style=\"justify-content:center\">\n\n<div class='open-video-oembed' style='width:640px;max-width:100%;'>\n<script>\n(window.openVideoPlayers = window.openVideoPlayers || []).push({\ntarget: document.currentScript,\n\"videoID\":\"iO8JfiXRjHu\",\n\"float\":true,\n\"isGenerated\":true\n})\n<\/script>\n<\/div>\n\n<script data-ezscrex='false' data-cfasync='false' async src=\"https:\/\/open.video\/video.js\"><\/script>\n\n<\/div>\n\n\n<h3 class=\"wp-block-heading\">Th\u00e0nh ng\u1eef Back-of-the-Envelope \u2013 \u00dd ngh\u0129a v\u00e0 v\u00ed d\u1ee5 s\u1eed d\u1ee5ng trong c\u00e2u<\/h3>\n<h3><strong>Gi\u1edbi thi\u1ec7u v\u1ec1 Th\u00e0nh ng\u1eef: Nh\u1eefng bi\u1ec3u \u0111\u1ea1t v\u01b0\u1ee3t ra ngo\u00e0i ngh\u0129a \u0111en<\/strong><\/h3>\n<p>Xin ch\u00e0o c\u00e1c b\u1ea1n y\u00eau th\u00edch ng\u00f4n ng\u1eef! Th\u00e0nh ng\u1eef l\u00e0 m\u1ed9t ph\u1ea7n th\u00fa v\u1ecb trong b\u1ea5t k\u1ef3 ng\u00f4n ng\u1eef n\u00e0o. Ch\u00fang l\u00e0 nh\u1eefng c\u1ee5m t\u1eeb ho\u1eb7c bi\u1ec3u \u0111\u1ea1t mang \u00fd ngh\u0129a b\u00f3ng, th\u01b0\u1eddng kh\u00e1c v\u1edbi ngh\u0129a \u0111en c\u1ee7a ch\u00fang. Nh\u1eefng vi\u00ean ng\u1ecdc ng\u00f4n ng\u1eef n\u00e0y l\u00e0m cho c\u00e2u chuy\u1ec7n c\u1ee7a ch\u00fang ta tr\u1edf n\u00ean s\u00e2u s\u1eafc, sinh \u0111\u1ed9ng v\u00e0 \u0111\u1eadm \u0111\u00e0 b\u1ea3n s\u1eafc v\u0103n h\u00f3a. H\u00f4m nay, ch\u00fang ta s\u1ebd c\u00f9ng t\u00ecm hi\u1ec3u th\u00e0nh ng\u1eef &#8220;Back-of-the-Envelope&#8221;, m\u1ed9t c\u1ee5m t\u1eeb b\u1eaft ngu\u1ed3n t\u1eeb l\u0129nh v\u1ef1c t\u00ednh to\u00e1n v\u00e0 \u01b0\u1edbc l\u01b0\u1ee3ng.<\/p>\n<h3><strong>Kh\u1edfi ngu\u1ed3n: T\u00ecm hi\u1ec3u xu\u1ea5t x\u1ee9 c\u1ee7a th\u00e0nh ng\u1eef<\/strong><\/h3>\n<p>\u0110\u1ec3 hi\u1ec3u r\u00f5 m\u1ed9t th\u00e0nh ng\u1eef, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i kh\u00e1m ph\u00e1 ngu\u1ed3n g\u1ed1c c\u1ee7a n\u00f3. C\u1ee5m t\u1eeb &#8220;Back-of-the-Envelope&#8221; b\u1eaft ngu\u1ed3n t\u1eeb th\u1eddi \u0111i\u1ec3m m\u00e0 m\u1ecdi ng\u01b0\u1eddi th\u01b0\u1eddng th\u1ef1c hi\u1ec7n c\u00e1c ph\u00e9p t\u00ednh nhanh ho\u1eb7c \u01b0\u1edbc l\u01b0\u1ee3ng tr\u00ean m\u1eb7t sau c\u1ee7a m\u1ed9t phong b\u00ec. Th\u00f3i quen n\u00e0y ph\u1ed5 bi\u1ebfn trong nhi\u1ec1u l\u0129nh v\u1ef1c nh\u01b0 k\u1ef9 thu\u1eadt, t\u00e0i ch\u00ednh v\u00e0 c\u1ea3 trong nh\u1eefng t\u00ecnh hu\u1ed1ng h\u00e0ng ng\u00e0y. Chi\u1ebfc phong b\u00ec, v\u1ed1n d\u1ec5 d\u00e0ng c\u00f3 s\u1eb5n, \u0111\u01b0\u1ee3c d\u00f9ng nh\u01b0 m\u1ed9t b\u1ec1 m\u1eb7t t\u1ea1m th\u1eddi \u0111\u1ec3 ghi l\u1ea1i c\u00e1c con s\u1ed1 ho\u1eb7c ph\u00e1c th\u1ea3o s\u01a1 b\u1ed9.<\/p>\n<h3><strong>\u00dd ngh\u0129a b\u00f3ng: H\u01a1n c\u1ea3 nh\u1eefng ph\u00e9p t\u00ednh \u0111\u01a1n gi\u1ea3n<\/strong><\/h3>\n<p>M\u1eb7c d\u00f9 ngh\u0129a \u0111en c\u1ee7a c\u1ee5m t\u1eeb &#8220;Back-of-the-Envelope&#8221; l\u00e0 h\u00e0nh \u0111\u1ed9ng th\u1ef1c hi\u1ec7n ph\u00e9p t\u00ednh tr\u00ean m\u1eb7t sau c\u1ee7a phong b\u00ec, nh\u01b0ng \u00fd ngh\u0129a b\u00f3ng c\u1ee7a n\u00f3 r\u1ed9ng h\u01a1n nhi\u1ec1u. N\u00f3 \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 ch\u1ec9 m\u1ed9t ph\u00e9p \u01b0\u1edbc l\u01b0\u1ee3ng nhanh, s\u01a1 b\u1ed9 ho\u1eb7c ph\u00e2n t\u00edch ban \u0111\u1ea7u. Khi \u0111\u1ed1i m\u1eb7t v\u1edbi m\u1ed9t v\u1ea5n \u0111\u1ec1 ho\u1eb7c t\u00ecnh hu\u1ed1ng ph\u1ee9c t\u1ea1p, ng\u01b0\u1eddi ta th\u01b0\u1eddng s\u1eed d\u1ee5ng c\u00e1ch ti\u1ebfp c\u1eadn &#8220;back-of-the-envelope&#8221; \u0111\u1ec3 c\u00f3 m\u1ed9t c\u00e1i nh\u00ecn t\u1ed5ng quan ho\u1eb7c con s\u1ed1 \u01b0\u1edbc ch\u1eebng. \u0110i\u1ec1u n\u00e0y ng\u1ee5 \u00fd m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p kh\u00f4ng ch\u00ednh x\u00e1c hay chi ti\u1ebft nh\u01b0ng \u0111\u1ee7 \u0111\u1ec3 hi\u1ec3u s\u01a1 b\u1ed9 ho\u1eb7c \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh ban \u0111\u1ea7u.<\/p>\n<h3><strong>C\u00e1ch d\u00f9ng trong giao ti\u1ebfp h\u00e0ng ng\u00e0y: Nhi\u1ec1u v\u00ed d\u1ee5 minh h\u1ecda<\/strong><\/h3>\n<p>Th\u00e0nh ng\u1eef &#8220;Back-of-the-Envelope&#8221; xu\u1ea5t hi\u1ec7n trong nhi\u1ec1u cu\u1ed9c h\u1ed9i tho\u1ea1i, c\u1ea3 trang tr\u1ecdng l\u1eabn th\u00e2n m\u1eadt. H\u00e3y c\u00f9ng xem m\u1ed9t v\u00e0i v\u00ed d\u1ee5. Trong m\u1ed9t cu\u1ed9c h\u1ecdp kinh doanh, ai \u0111\u00f3 c\u00f3 th\u1ec3 n\u00f3i: &#8220;I haven&#8217;t done an in-depth analysis yet, but based on a back-of-the-envelope calculation, the project seems feasible.&#8221; (T\u00f4i ch\u01b0a ph\u00e2n t\u00edch k\u1ef9 l\u01b0\u1ee1ng, nh\u01b0ng d\u1ef1a tr\u00ean ph\u00e9p t\u00ednh \u01b0\u1edbc l\u01b0\u1ee3ng nhanh, d\u1ef1 \u00e1n c\u00f3 v\u1ebb kh\u1ea3 thi.) \u1ede \u0111\u00e2y, ng\u01b0\u1eddi n\u00f3i mu\u1ed1n nh\u1ea5n m\u1ea1nh r\u1eb1ng h\u1ecd ch\u01b0a nghi\u00ean c\u1ee9u chi ti\u1ebft nh\u01b0ng \u0111\u00e3 c\u00f3 \u0111\u00e1nh gi\u00e1 s\u01a1 b\u1ed9. Trong m\u1ed9t t\u00ecnh hu\u1ed1ng th\u00e2n m\u1eadt, m\u1ed9t ng\u01b0\u1eddi b\u1ea1n c\u00f3 th\u1ec3 h\u1ecfi: &#8220;How many people do you think will attend the party?&#8221; (B\u1ea1n ngh\u0129 s\u1ebd c\u00f3 bao nhi\u00eau ng\u01b0\u1eddi \u0111\u1ebfn b\u1eefa ti\u1ec7c?) v\u00e0 b\u1ea1n tr\u1ea3 l\u1eddi: &#8220;Hmm, I&#8217;m not sure, but maybe around 50? Just a back-of-the-envelope guess.&#8221; (\u1eeam, t\u00f4i kh\u00f4ng ch\u1eafc l\u1eafm, nh\u01b0ng kho\u1ea3ng 50 ng\u01b0\u1eddi? Ch\u1ec9 l\u00e0 \u0111o\u00e1n nhanh th\u00f4i.) C\u00e2u tr\u1ea3 l\u1eddi n\u00e0y cho th\u1ea5y \u01b0\u1edbc l\u01b0\u1ee3ng c\u1ee7a b\u1ea1n l\u00e0 nhanh ch\u00f3ng v\u00e0 kh\u00f4ng d\u1ef1a tr\u00ean t\u00ednh to\u00e1n chi ti\u1ebft.<\/p>\n<h3><strong>V\u1ebb \u0111\u1eb9p c\u1ee7a th\u00e0nh ng\u1eef: \u00dd ngh\u0129a v\u0103n h\u00f3a v\u00e0 s\u1ef1 phong ph\u00fa c\u1ee7a ng\u00f4n ng\u1eef<\/strong><\/h3>\n<p>Nh\u1eefng th\u00e0nh ng\u1eef nh\u01b0 &#8220;Back-of-the-Envelope&#8221; kh\u00f4ng ch\u1ec9 l\u00e0m cho c\u00e2u chuy\u1ec7n c\u1ee7a ch\u00fang ta th\u00eam ph\u1ea7n sinh \u0111\u1ed9ng m\u00e0 c\u00f2n ph\u1ea3n \u00e1nh c\u00e1c kh\u00eda c\u1ea1nh v\u0103n h\u00f3a v\u00e0 l\u1ecbch s\u1eed c\u1ee7a m\u1ed9t ng\u00f4n ng\u1eef. Ch\u00fang cung c\u1ea5p c\u00e1i nh\u00ecn v\u1ec1 nh\u1eefng th\u00f3i quen, ni\u1ec1m tin v\u00e0 th\u1eadm ch\u00ed s\u1ef1 h\u00e0i h\u01b0\u1edbc c\u1ee7a m\u1ed9t c\u1ed9ng \u0111\u1ed3ng. Vi\u1ec7c kh\u00e1m ph\u00e1 th\u00e0nh ng\u1eef gi\u1ed1ng nh\u01b0 m\u1ed9t h\u00e0nh tr\u00ecnh ng\u00f4n ng\u1eef, n\u01a1i m\u1ed7i c\u1ee5m t\u1eeb h\u00e9 l\u1ed9 m\u1ed9t c\u00e2u chuy\u1ec7n \u0111\u1ed9c \u0111\u00e1o. V\u00ec v\u1eady, l\u1ea7n t\u1edbi khi b\u1ea1n g\u1eb7p m\u1ed9t th\u00e0nh ng\u1eef, h\u00e3y d\u00e0nh ch\u00fat th\u1eddi gian t\u00ecm hi\u1ec3u \u00fd ngh\u0129a v\u00e0 tr\u00e2n tr\u1ecdng nh\u1eefng l\u1edbp ngh\u0129a s\u00e2u s\u1eafc m\u00e0 ng\u00f4n ng\u1eef mang l\u1ea1i.<\/p>\n\n<h3><strong>Th\u00e0nh ng\u1eef li\u00ean quan<\/strong><\/h3>\n\n\n\n<p>T\u00ecm hi\u1ec3u th\u00eam c\u00e1c b\u00e0i h\u1ecdc th\u00e0nh ng\u1eef li\u00ean quan \u0111\u1ebfn <strong>back of the envelope<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/englishteststore.net\/lesson\/vi\/english-idioms\/back-of-ones-hand-idiom-meaning-and-example-usage-in-sentences\/\">Back Of Ones Hand<\/a><\/li><li><a href=\"https:\/\/englishteststore.net\/lesson\/vi\/english-idioms\/back-in-the-day-idiom-meaning-and-example-usage-in-sentences\/\">Back In The Day<\/a><\/li><li><a href=\"https:\/\/englishteststore.net\/lesson\/vi\/english-idioms\/back-in-the-game-idiom-meaning-and-example-usage-in-sentences\/\">Back In The Game<\/a><\/li><li><a href=\"https:\/\/englishteststore.net\/lesson\/vi\/english-idioms\/back-to-the-drawing-board-idiom-meaning-and-example-usage-in-sentences\/\">Back To The Drawing Board<\/a><\/li><li><a href=\"https:\/\/englishteststore.net\/lesson\/vi\/english-idioms\/back-to-the-wall-idiom-meaning-and-example-usage-in-sentences\/\">Back To The Wall<\/a><\/li>\n<\/ul>\n\n\n<h3><strong>K\u1ebft lu\u1eadn: Th\u1ebf gi\u1edbi th\u00e0nh ng\u1eef \u0111ang ch\u1edd b\u1ea1n kh\u00e1m ph\u00e1<\/strong><\/h3>\n<p>K\u1ebft th\u00fac b\u00e0i h\u1ecdc v\u1ec1 th\u00e0nh ng\u1eef &#8220;Back-of-the-Envelope&#8221;, hy v\u1ecdng b\u1ea1n \u0111\u00e3 hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 c\u1ee5m t\u1eeb th\u00fa v\u1ecb n\u00e0y. Th\u00e0nh ng\u1eef v\u1edbi \u00fd ngh\u0129a b\u00f3ng c\u1ee7a ch\u00fang m\u1edf ra m\u1ed9t g\u00f3c nh\u00ecn s\u00e2u s\u1eafc v\u1ec1 s\u1ef1 tinh t\u1ebf c\u1ee7a ng\u00f4n ng\u1eef v\u00e0 v\u0103n h\u00f3a. Cho d\u00f9 b\u1ea1n l\u00e0 h\u1ecdc sinh, ng\u01b0\u1eddi y\u00eau ng\u00f4n ng\u1eef hay \u0111\u01a1n gi\u1ea3n l\u00e0 ng\u01b0\u1eddi th\u00edch kh\u00e1m ph\u00e1 nh\u1eefng s\u1eafc th\u00e1i trong giao ti\u1ebfp, th\u1ebf gi\u1edbi th\u00e0nh ng\u1eef lu\u00f4n r\u1ed9ng m\u1edf ch\u1edd b\u1ea1n kh\u00e1m ph\u00e1. H\u00e3y gi\u1eef s\u1ef1 t\u00f2 m\u00f2, ti\u1ebfp t\u1ee5c t\u00ecm hi\u1ec3u v\u00e0 \u0111\u1ec3 v\u1ebb \u0111\u1eb9p c\u1ee7a ng\u00f4n ng\u1eef d\u1ea7n d\u1ea7n \u0111\u01b0\u1ee3c h\u00e9 l\u1ed9. H\u1eb9n g\u1eb7p l\u1ea1i c\u00e1c b\u1ea1n trong nh\u1eefng b\u00e0i h\u1ecdc ti\u1ebfp theo!","protected":false},"excerpt":{"rendered":"<p>Th\u00e0nh ng\u1eef Back-of-the-Envelope \u2013 \u00dd ngh\u0129a v\u00e0 v\u00ed d\u1ee5 s\u1eed d\u1ee5ng trong c\u00e2u Gi\u1edbi thi\u1ec7u v\u1ec1 Th\u00e0nh ng\u1eef: Nh\u1eefng bi\u1ec3u \u0111\u1ea1t v\u01b0\u1ee3t ra ngo\u00e0i ngh\u0129a \u0111en Xin ch\u00e0o c\u00e1c b\u1ea1n y\u00eau th\u00edch ng\u00f4n ng\u1eef! Th\u00e0nh ng\u1eef l\u00e0 m\u1ed9t ph\u1ea7n th\u00fa v\u1ecb trong b\u1ea5t k\u1ef3 ng\u00f4n ng\u1eef n\u00e0o. Ch\u00fang l\u00e0 nh\u1eefng c\u1ee5m t\u1eeb ho\u1eb7c bi\u1ec3u \u0111\u1ea1t [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[5],"tags":[],"class_list":["post-432","post","type-post","status-publish","format-standard","hentry","category-english-idioms"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Th\u00e0nh ng\u1eef Back-of-the-Envelope l\u00e0 g\u00ec? \u00dd ngh\u0129a v\u00e0 c\u00e1ch d\u00f9ng trong ti\u1ebfng Anh - B\u00e0i h\u1ecdc Ti\u1ebfng Anh<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/englishteststore.net\/lesson\/vi\/english-idioms\/back-of-the-envelope-idiom-meaning-and-example-usage-in-sentences\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Th\u00e0nh ng\u1eef Back-of-the-Envelope l\u00e0 g\u00ec? \u00dd ngh\u0129a v\u00e0 c\u00e1ch d\u00f9ng trong ti\u1ebfng Anh - B\u00e0i h\u1ecdc Ti\u1ebfng Anh\" \/>\n<meta property=\"og:description\" content=\"Th\u00e0nh ng\u1eef Back-of-the-Envelope \u2013 \u00dd ngh\u0129a v\u00e0 v\u00ed d\u1ee5 s\u1eed d\u1ee5ng trong c\u00e2u Gi\u1edbi thi\u1ec7u v\u1ec1 Th\u00e0nh ng\u1eef: Nh\u1eefng bi\u1ec3u \u0111\u1ea1t v\u01b0\u1ee3t ra ngo\u00e0i ngh\u0129a \u0111en Xin ch\u00e0o c\u00e1c b\u1ea1n y\u00eau th\u00edch ng\u00f4n ng\u1eef! 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