All right. So I suppose in the time remaining and, alas, there isn't a lot of it we'd better ask what "language" is. We've talked about it.

好，我想在剩下的时间里，天啊，时间不多了,我们最好来说说什么是语言，我们已经谈论过这个问题。

耶鲁公开课 - 文学理论导论课程节选

We'll talk more about that and I've already said something about that.

我们会详细说这点,之前已经说过一些了

耶鲁公开课 - 生物医学工程探索课程节选

Well, we've actually said this already.

嗯，我们已经说过这个了。

哈佛公开课 - 计算机科学课程节选

We talked about this last time.

上次我们已经说过了。

耶鲁公开课 - 聆听音乐课程节选

So we talked about what we could see with visible light, we said that's actually the Balmer series.

我们已经说过可见光，它是Balmer系。

麻省理工公开课 - 化学原理课程节选

But mathematically, we've mentioned this before, log N or really to be precise, log base 2 of N, is the way you express this mathematically.

但从数学上说，之前我们已经提到过了，准确地说是log，N，以2为底N的对数，这就是它在数学上的表示。

哈佛公开课 - 计算机科学课程节选