What researchers into the Prisoner's Dilemma have discovered is that people co-operate rather than betray each other if they are likely to meet again.

对“囚徒困境”进行研究的人士发现，在人们还可能再遇见的情况下，他们倾向于合作而不是背叛。

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Real life of ordinary simple meals daily circulation betray emotion responsibility to each other not by oath!

现实生活平凡简单一日三餐日日循环不离不弃情感责任相濡以沫不靠誓言！

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They confide in each other, promising never to offend or betray the other.

他们信任彼此，发誓勇不打击与背叛对方。

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The governments are supposedly close allies, yet betray each other with monotonous regularity.

ECONOMIST: Pakistan

This is a story about loyalty no Marine leaves a fallen Marine on the battlefield but some betray each other as racial tension infects the company.

WSJ: Wall Street Journal: Twelve Months of Reading

Each prisoner must choose to betray the other or to remain silent.

FORBES: Cheating In College Athletics And The Prisoner's Dilemma