无家的女人感到异常吃惊。我知道，我是肮脏的，而且我可能闻起来相当令人厌恶。你的丈夫难道不会因为这样而对你不满吗？

The homeless Woman was shocked. 'Won't your husband be furious with you for doing that? I know I'm dirty, and I probably smell pretty disgusting.'

youdao

I'm going to throw it, or raise it, to use the right term to somebody in case they can handle it, but it's a particular kind of exception I might do something like, remind you I have test.

编译器就要抛出他或者提出它,用正确的描述给某个人来处理,但他的确是一种异常,我来做些类似的事情，告诉你我有些测试。

麻省理工公开课 - 计算机科学及编程导论课程节选

So the exceptions are useful when you want to have the ability to say, I expect in general this kind of behavior, but I do know there are some other things that might happen and here's what I'd like to do in each one of those cases. But I do want to make sure that I don't let a value that I'm not expecting pass through.

所以当你希望有能力说,我希望一般是这样的行为,异常是很有用的,但是我明白还有一些其它的情况可能发生,我希望对每一种情况都这么做,但是我跟希望能保证,没有让一个预期之外的情况漏过去。

麻省理工公开课 - 计算机科学及编程导论课程节选