noun
A situation in game theory or economics where one participant's gain is exactly balanced by another's loss. Also used metaphorically in everyday contexts.
See also: ゼロサムゲーム
貿易交渉をゼロ和ゲームと見なすのは誤りだ。
It is a mistake to view trade negotiations as a zero-sum game.
人生はゼロ和ゲームではない。
Life is not a zero-sum game.