Insurance pools risks like life risks or fire risks by writing policies to individual policyholders.

保险业分散风险是通过,与个人签订保险合同,比如寿险合同,或者火险合同

耶鲁公开课 - 金融市场课程节选

This is a contract with his father in this passage.

这段话是他与父亲的合同。

耶鲁公开课 - 弥尔顿课程节选

And the other direction is instead of creating all this uncertainty, which all the intervention does, quite a size of Americans are particular interventionists, it gave a tremendous certainty because it began the practice of cause plus contract military equipment suppliers.

另一个方向是,除了制造这些不确定，就像所有干预政策带来的一样，许多美国人,很赞同干预政策，因为他能给人们确定感,因为他开启了,合同行为,与军事武器供应商的合同。

斯坦福公开课 - 经济学课程节选