He was not to be served because he visited the bar often and did not behave well.

VOA: special.2010.01.08

So you feel that you know pretty well how things behave, but then, all of a sudden, there's something way out here.

然后你觉得对市场行为了解的差不多了,但是突如其来,有些东西在这里出现了

耶鲁公开课 - 金融市场课程节选

Then you have to ask, well how are the financial assets going to behave over time?

之后你还得追问，这些金融资产的,未来表现如何？

耶鲁公开课 - 金融市场课程节选

We expect you to behave responsibly and we will as well. All right.

好吗？我们希望你们能表现的有责任感,我们也会这样做的，好的。

麻省理工公开课 - 计算机科学及编程导论课程节选