"But,we are also deeply concerned about the things we don't know."

VOA: standard.2010.05.18

So delta u is just equal to the work but we also know what happens T2 because the temperature is changing from T1 to T2.

所以Δu等于输出的功,但我们也知道它会发生,同时我们知道温度从T1变到。

麻省理工公开课 - 热力学与动力学课程节选

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

"We already know that New Orleans is in the same way, but also areas like Bangladesh or smaller areas of islands that will be flooded within that one-meter sea level rise."

VOA: standard.2009.03.12

And in these experiments we not only need to learn what has been learnt, but also have to learn what it is that we don't know.

在这些试验里我们不仅,要知道已知的知识，还要知道,我们不知道的内容。

麻省理工公开课 - 媒体、教育、市场课程节选

So basically, at the time he was just going on size and then traits, but what we actually know today is that we can also order things in the periodic table by electron configuration.

基本上，在当时他只能通过大小,和特性来进行，但是现在我们已经知道了,我们还可以通过电子排布来对它们进行排序。

麻省理工公开课 - 化学原理课程节选

But the Platonic forms, as we also know, are not to be found in this world.

但是我们还知道,现实世界中没有柏拉图型相

耶鲁公开课 - 死亡课程节选

But, we also know that it's symmetric.

而且非常对称。

麻省理工公开课 - 固态化学导论课程节选

to the process whereby the heavenly angels not only eat food but they also digest it; and Milton lets us know, whether we want to know or not, how those angels actually excrete the food they have taken in.

去描述天堂的天使不只吃食物而且要消化它的过程,弥尔顿让我们知道，不管我们想不想，这些天使怎样排泄出他们吃的食物。

耶鲁公开课 - 弥尔顿课程节选

Of course, we have to also know how to plug in the numbers so we can pass all the tests, but it's good to understand the nature of the edifice set up by Newton.

当然,我们首先要知道怎么代数字,这样我们考试才能过关,但是如果能理解,牛顿的这一伟大杰作的本质就更好了

耶鲁公开课 - 基础物理课程节选