They believe they're playing a zero-sum game, where both must compete for the same resources.

他们认为他们在玩一场零和游戏，双方必须争夺同样的资源。

《柯林斯英汉双解大词典》

The Kremlin sees its relationship with the West as a zero-sum game: if it resurges, America will decline.

克里姆林宫把它和西方的关系视为一个零和游戏：如果它复兴了，美国就会衰落。

youdao

There need be no patsy, because the economy is not a zero-sum game.

这里不应该有替罪羊，因为经济并非零和游戏。

youdao

So,after taking into account the market impact, and the commissions,and the fees, this zero-sum game becomes a negative-sum game.

所以,考虑到市场冲击,佣金,规费,这一零和博弈变成了负和博弈

耶鲁公开课 - 金融市场课程节选

If security selection is a zero-sum game, the amount by which the winner wins equals the amount by which the loser loses -winners and losers being defined by performance after a security selection that has been made -well, that sounds like a zero-sum game.

如果证券选择是一个零和博弈,赢方赚得的金额,等于输方赔付的金额,谁赢谁输取决于,双方投资在证券选择后的表现,这听起来确实像个零和博弈

耶鲁公开课 - 金融市场课程节选

In the language, if I can switch to the language of modern economics, one could say that for Thrasymachus politics is a zero-sum game.

换个领域的词汇，让我用现代经济学的话来说，这可能将，Thrasymachus，式的政治,喻成一场零和游戏。

耶鲁公开课 - 政治哲学导论课程节选

The zero-sum game of at-expiration options implies that not all strategists trading these calls can come out on top in the end.

FORBES: Bullish Gene Dominant In Affymetrix Call Options

Fixing Sales and Marketing begins with dropping the classic definitions of what Sales and Marketing are suppose to do along with the internal tug-of-war associated the zero-sum game mentality.

FORBES: Tipping Business (and the Economy) in the Right Direction

The Tories hope that by taking the power of veto over new schools away from officials, they would end the zero-sum game in which a good school place for one child means one fewer for others.

ECONOMIST: Transforming Britain's schools