Children come into the world without knowing any specific language and so they have to learn pauses.

儿童出生时并不知道任何特定的语言,因此他们需要学会停顿

耶鲁公开课 - 心理学导论课程节选

But they know that we need the transportation and that we will pay for it, so there you go.

但他们知道，我们需要交通工具，我们会为之付钱的，所以你就知道了。

纽约的交通手段 - SpeakingMax英语口语达人

They had to develop statistics of loss; they had to know what the losses were.

他们还要研制出统计损失的方法;,还需要知道损失的是什么。

耶鲁公开课 - 金融市场课程节选

They don't have to know something in this case.

在这种情况下他们不需要知道一些东西。

哈佛公开课 - 计算机科学课程节选

But we also know there needs to be space for other conversations. In fact I think many of the conversations are that they have started on the community action trip that they might take as they enter freshman year or the outdoor action trip or other informal ways of making connections.

但是，我们也知道，他们也需要,进行其他对话的空间，实际上,我认为这些对话发生在很多活动中,比如说，学生们在大一时可能参加的,一些社区活动,或者是一些课外旅行,或者是其他一些娱乐交流活动。

普林斯顿公开课 - 人性课程节选

Good, so in the standard story you've got these two crooks, or two accused crooks, and they're in separate cells and they're being interviewed separately--kept apart--and they're both told that if neither of them rats the other guy out, they'll go to jail for say a year.

在故事里有两个罪犯,他们都被指控了 被分别关进了牢房,他们俩被单独提审,两人都知道如果他们不坦白,他们都要只需要坐一年牢

耶鲁公开课 - 博弈论课程节选

Yeah, good. So, they're actually helium atoms, helium ions. And this wasn't really important for the studies, it didn't matter that didn't know what they are but it's nice to kind of know now - that we do know what they were using.

氦粒子，这对他们的研究并不重要,他们并不需要知道它是什么,但我们最好知道,他们当时用的是什么。

麻省理工公开课 - 化学原理课程节选

And it's pretty expensive to do so because I think they know you need to do it.

这样做很贵，因为我想他们知道你需要这么做。

公共交通更方便 - SpeakingMax英语口语达人

Well now I need to be rational, I need to know that other people are rational, and I need to know that other people know that other people are rational.

我自己已经是理性的了,我也知道对手也是理性的,我还需要知道对手们明白,他们的对手也是理性的

耶鲁公开课 - 博弈论课程节选