你知道萨莉的新邮箱地址吗？

Do you know Sally's new mail address?

youdao

我想我最好把我丈夫的邮箱给你——他整天都坐在电脑前，这样他就可以把东西打印出来，这比我回复你更快一些。

I think it's best if I give you my husband's email—he's sitting in front of a computer all day so he can print stuff off and get it back to you sooner than I could.

youdao

你能把它放到我的邮箱里吗？

Can you put it in my mailbox?

youdao

But when you start writing programs, especially when we get to web-based stuff where you want -- to check the user's input -- is it valid, is it an email address, -- and all these different scenarios -- it's actually often useful to be able to just enumerate them or rattle them off using this switching construct instead.

但是当你看是写程序时，特别是当我们,使用基于网络的东西，你想要,检查用户的输入-,它是合法的吗？它是不是一个电子邮箱地址？,所有的这些场景-,实际上它常常是有用的，当你用枚举结构列举它们,或者用它来快速地来说出它们。

哈佛公开课 - 计算机科学课程节选