零和博弈

línghébóyì
zero-sum game (economics)

CEDICT

zero-sum game

Wiktionary

所有参加博弈者的利益之和为零（或一个常数）的博弈

維基詞典

Entry Composition

1 零和 línghé zero-sum (game, in economics etc)
2 博弈 bóyì
  1. games (such as chess, dice etc)
  2. gambling
  3. contest