你最后一次不是为了看评论和分析，只为了看到底是谁赢了比赛而买报纸是什么时候？

When was the last time you bought a newspaper to find out who won the match, rather than for comment and analysis?

youdao

另外还有一个大问题，这部电话在美国暂时还用不了，也没有说什么时候能在美利坚发布。这是为什么，诺基亚，你到底是告诉我这为么？

There is one big problem. This phone is not available in the States, nor has it even been announced that it will eventually come here. Why, Nokia, why?

youdao

问题是，到底是什么时候？

The question is how, and when, it will happen.

youdao

Well, you'll know when it crashes, that doesn't help you very much, but you can't always tell whether something's stuck in an infinite loop or whether it's simply taking a long time to compute.

好，你将学到它在什么时候会崩溃，这对你帮助并不大，但是你不能辨别出到底是在一个循环中,有什么东西卡住了呢,还是程序需要很长的时间来计算一个结果呢。

麻省理工公开课 - 计算机科学及编程导论课程节选

What we do is speak, and when we speak, of course, we say correctly that we "use" language, but we still need to know what language is and we need to understand the relationship between language and speech.

我们所说的，我们什么时候说，当然，说我们这是在使用语言，但是我们仍然要理解语言到底是什么,我们要理解语言和话语的关系。

耶鲁公开课 - 文学理论导论课程节选

We're trying to understand exactly what changes in your brain when you learn and how those changes persist over time to support memory. And one thing that we know which helps explain why some things are easier to remember than other is that learning is not a unitary process.

我们一直都想查明，学习的时候，大脑到底发生了什么变化，这些变化是如何长时间控制记忆的,我们都知道，学习的过程不是一元化的,这就是为什么有的东西好记，有的东西难记。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选