Sentence examples for a zero-sum game from inspiring English sources

"a zero-sum game" is a correct and commonly used phrase in written English.
It is typically used to describe a situation or activity in which one person's or group's gain is exactly balanced by another person's or group's loss. This phrase is often used in discussions about competition, economics, and business strategies. Example: Negotiations between the two companies turned into a zero-sum game, with each party trying to gain the upper hand and refusing to make any concessions.