How to use in-sentence of “sign on”:
+ Multiplying a number by −1 is the same as changing the sign on the number.
+ The album is supposed to be called “Kyuss” but fans call it “Welcome To Sky Valley” because of the sign on the front cover.
+ The Apple is not a real apple, rather it is a large plastic apple with the Mets sign on it that rises when a Mets player hits a home run.
+ He also left a sign on the moon, with a message from the human race.
+ The sign on it reads: “This obelisk was erected as a memorial to the famous Australian poet.
+ A sign on the wall says this was where Ben Hall’s gang had their party.
+ The “republics” of the Soviet Union had agreed to sign on 20th August 1991, an agreement making them almost independent republics but part of a federation, with a common president, foreign policy and military.
