Suppose they have a written contract, or even an unwritten contract, what enforces the contract for colluding firms or crooks in jail?

假如他们签了一份书面协议,或干脆口头的,他们怎么强制履行呢

耶鲁公开课 - 博弈论课程节选

that's given to married couples right now and it can be assigned to anybody.

现在仅限于已婚的公民，我的想法是干脆将这些政策普及到每个公民。

发挥创造力的瞬间 - SpeakingMax英语口语达人

You might even go further, you might say modeling it is always going to miss stuff out, so let's just not bother.

你可能会更进一步说,建模的时候总会忽略一些因素,所以干脆也不要建模了

耶鲁公开课 - 博弈论课程节选

Well we could begin with George Washington Alright, for your sake, we toss in John Kennedy ... who cut taxes. -Because... the Kennedy tax cuts and the Reagan tax cuts ... were both major tax cuts. -Did you hear me ask him ? for a one-word answer? Did you hear me?

那干脆从乔治·华盛顿谈起得了，真是的,好吧，看在你的面子上，姑且把他算上吧,他好歹也减税了，-因为。,肯尼迪的减税和里根的,都不可等闲视之，-我不是让他,只回答一个字吗？他怎么说这么多？

斯坦福公开课 - 经济学课程节选

Nina's version of communication was, "I'm going to Bourne Ultimatum."

妮娜的回答很干脆,我会去看《谍影重重》

耶鲁公开课 - 博弈论课程节选