个体间的信用是交易中多次博弈的结果，重复博弈会自发地形成博弈主体间的信用机制，出现合作均衡。

Credit between individuals is a result from multiple gaming in transactions, and duplicated gaming can spontaneously form a credit mechanism among gamers, causing a cooperative equilibrium.

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复杂系统中流的特性是通过动态过程加以表现的，流的形成是节点之间动态博弈的结果。

The characteristic of flow in complex system is expressed through dynamic process. The form of net-flow is the result of dynamic game among nodes.

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企业社会契约发生变化的原因在于社会环境的变化，环境变化改变了契约参与人的行为策略，通过重复博弈重新形成新的契约条款。

The enterprise and social contract varies owing to the change of social environment, which changes the behavior strategies of the participants and forms new contract by means of repetitive game.

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So in particular, we need to figure out what formally makes something into a game.

具体来说,我们需要搞清楚怎么样才能形成博弈

耶鲁公开课 - 博弈论课程节选