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

And check all of them. Try all of them. So you will see.

然后都看看，都尝尝。所以你会明白的。

关于肉品市场区 - SpeakingMax英语口语达人

So, let's do a little sanity check now and let's try to demonstrate as much I now claim I'm going to capitalize the copy of the string I just made.

多以，让我们做一个检查,然后做一个演示，现在我声称,我要利用那个字符串的拷贝。

哈佛公开课 - 计算机科学课程节选