Why do you manage to get some cooperation between you and your roommates even without a written contract?

为什么即便没有书面合同,你一样可以和你室友合作得愉快

耶鲁公开课 - 博弈论课程节选

You want to get the contract for Johnny Fontaine, you don't tell your consiglieri, "Hey Tom, put a point particle on Jack's bed."

约翰尼·方丹为电影《教父》中的角色,影片中有杀马恐吓的情节

耶鲁公开课 - 基础物理课程节选

And so if you sign a contract with the government for millions of dollars, you have guarantee to get your dollars back, plus whatever profits they allowed in the contract.

所有如果你和政府签订了合约,做了一个百万的大单子，你能保证拿到钱，和其他的利润,在合同里规定的利润。

斯坦福公开课 - 经济学课程节选