Notice one last piece. If I'm going to do that, run through all possible answers, I still want to know, gee, what if there aren't any answers? How do I return that case?

注意最后一段，如果我要这样做，也就是运行所有可能的答案，我还是想知道要是没有结果呢？,在这个例子中应该返回什么呢？

麻省理工公开课 - 计算机科学及编程导论课程节选

That is heaven's part, our part To murmur name upon name, As a mother names her child When sleep at last has come On limbs that had run wild.

这是天国的本分，我们的本分,喃喃念着一个个名字，像一个母亲叫着她的孩子们,当睡意最终降临,那跑野了的四肢。

耶鲁公开课 - 现代诗歌课程节选

We had a run on a bank in the UK, it was called Northern Rock, last year.

去年,英国的,北岩银行遭到挤兑

耶鲁公开课 - 金融市场课程节选

we can run the engine backward and build a refrigerator, if you've got your lecture notes from last period your 8-9, well, they're labeled 8-9 lecture notes, I made an attempt to define something which was a little bit misguided.

现在我们可以把热机倒过来,制作一台制冷机，如果你们拿出上节课的笔记,也就是8-9节，好的，他们在8-9节，当时我试着,定义了一些,有些误导你们的物理量。

麻省理工公开课 - 热力学与动力学课程节选

They thought they had the system solved, but then they had a bank run last year.

他们认为已经系统性解决了挤兑问题,但去年却又出现了银行挤兑

耶鲁公开课 - 金融市场课程节选