So if in fact I wanted to make sure this was a number, I should have done something like either try and convert it to a number, which of course failed here, or put in a check to say where it is.

因此实际上如果我想确保,这是一个数字的话，我们的课程上的代码,在这里失败了，你或许应该在这里，放一个检查的东西。

麻省理工公开课 - 计算机科学及编程导论课程节选

Okay, now let's make this first battle I'm going to describe for you to be as clear cut as we can make it, and it probably never was like that.

好的 现在,让我们打响第一场战斗,我们做得尽量简洁些,也许事实上的战斗并非是这样

耶鲁公开课 - 古希腊历史简介课程节选

The idea was that the --so he set up Moody's Rating Agency and the job of Moody's was to give letter grades to securities; it was a little bit like a bank, but it was different because he didn't actually make the loans.

主旨是... 因此他成立了穆迪评级机构,穆迪的工作就是用字母给证券评级,这有点像银行,但还是有区别,因为他并不发放贷款

耶鲁公开课 - 金融市场课程节选