zero-sum

剑桥词典

used to refer to a situation in which any win by one person always means a loss to another person involved
一方得益一方受损的；得失所系的
The stock market is now a zero-sum game , in which one party gains what the other loses . 股市现在是一种零和游戏，有人赚就有人赔。 返回 zero-sum