Now it's possible somebody said both these sentences before, but you probably have not heard them.

有可能某人曾说过这两句话,可你们却并没听到过

耶鲁公开课 - 心理学导论课程节选

But as I said before, the food environment has changed very quickly and people have not.

但是就像之前说的,食品环境改变迅速,而人却没有

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

When you understand a sentence I said you have to have the capacity to understand a sentence even if you've never heard it before.

当你在理解我所说的一句话时,你必须要拥有理解这句话的能力,即使你在之前从未听到过这句话

耶鲁公开课 - 心理学导论课程节选

He said, imagine that we could get people to have a big town meeting for the whole world, and he said, before they were born.

他说，设想我们可以,当人未出生的时候就将他们聚集起来，开一个共同商讨世界的人民大会。

耶鲁公开课 - 金融市场课程节选

And, as we said before, music has a syntax so that these phrases have to be in a-- arranged in a particular way that makes sense.

就如我们曾经提到的,音乐具有语法,这些乐句必须,以特有方式排列,才有意义

耶鲁公开课 - 聆听音乐课程节选

Okay, so if we had stopped the class after the first week where all we learned to do was to delete dominated strategies, we'd be stuck, we'd have nothing to say about this game and as I said before, this is the most important game, so that would be bad news for Game Theory.

好了,如果我们只学了第一周的内容,即如果我们只学到了剔除劣势策略的话,我们没招了,我们无法解释这个博弈,但我之前说了,这是个很重要的博弈,这对博弈论来说可不是个好消息

耶鲁公开课 - 博弈论课程节选

But, as I said before that, we have some more quantum numbers, when you solve the Schrodinger equation for psi, these quantum numbers have to be defined.

但我说了，我们还有，其它的量子数，当你解，psi的薛定谔方程时，必须要，定义这些量子数。

麻省理工公开课 - 化学原理课程节选

We said before that in Western music we have musical notation.

我们以前说过,在西方的音乐里有音乐记谱法

耶鲁公开课 - 聆听音乐课程节选