零和

línghé
zero-sum (game, in economics etc)

CEDICT

zero-sum

Wiktionary

和，指两数相加的总数。零和即指两数相加为零。在棋赛或牌赛中，一方之得恰为一方之失，其和为零，因此称为「零和」。被借来形容对立双方採你死我活，互为输赢的僵硬态度。

重編國語辭典

Entry Composition

1 零 líng
  1. zero
  2. nought
  3. zero sign
  4. fractional
  5. fragmentary
  6. odd (of numbers)
  7. (placed between two numbers to indicate a smaller quantity followed by a larger one)
  8. fraction
  9. (in mathematics) remainder (after division)
  10. extra
  11. to wither and fall
  12. to wither
=2 和 hé old variant of 和 hé
=2 和 hé
  1. (joining two nouns) and; together with; with (Taiwan pr. hàn)
  2. (math.) sum
  3. to make peace
  4. (sports) to draw; to tie
  5. (bound form) harmonious
  6. (bound form) Japan; Japanese
=2 和 hé (literary) harmonious (variant of 和 hé)

Containing this entry

零和博弈 línghébóyì zero-sum game (economics)
零和游戏 línghéyóuxì