"And I emphasize in particular the need that we have for such troops in order to partner better and mentor the Afghan national security forces as they grow."

VOA: standard.2009.10.23

What do I now need to do in order to sort the whole left half? Compare them all.

为了对左半部分的4个杯子排序,我需要做什么呢？，进行比较。

哈佛公开课 - 计算机科学课程节选

I think it's fairly clear that you don't need to appeal to souls in order to do that.

我想大家应该能非常清楚地看到,这样的诉求并非是必须的

耶鲁公开课 - 死亡课程节选

So I would choose something that have a wave lines off You wouldn't measure the dimension of a human hair with a yardstick, so I need something on this order.

所以我会选些东西,你将不会用一个码尺去量,人的头发有多大，所以我需要一些这个级数上的东西。

麻省理工公开课 - 固态化学导论课程节选

I actually need to check the second order condition.

实际上我们还需要验证二阶条件

耶鲁公开课 - 博弈论课程节选

It poses other kinds of difficulty, let's say; but in the case of fiction, in order to be engaged, in order to enter the hermeneutic circle properly, we need the element of surprise, as I say, as a way of distinguishing between fiction and nonfiction.

它的确带来了其它困难，我们可以这样说;,但是在读文学时，为了投入进去，为了合适地进入解释循环，我们需要“惊讶“这个元素，正如我所说，作为区分文学和非文学的一点。

耶鲁公开课 - 文学理论导论课程节选

Now why? When I put this class together, I didn't think to myself, "Ok, so what are the things that I need to introduce ?" in order to please the participants in the class, the students?"

为什么？，当我开这门课程时，我自己没想过，“好的，我需要介绍些什么东西,以便能取悦课程的参与者，这些学生呢“

哈佛公开课 - 幸福课课程节选

What is this? This is a wonderful piece of abstraction. It is saying, you don't need to know squat about what's inside the body of this function. You don't have to worry about the parameter names, because they're going to be preserved, you don't need to worry about how I'm doing it, this tells you how you can use this, in order to use it correctly. Of course, I can then close it off, and off we go.

但是这能告诉你一些信息,这是什么？,这是一段完美的抽象,它的意思是你不需要知道,这个函数的内部构造，你不必担心参数是否重名，因为它们已经被预存了,你不需要担心我如何使用它,它告诉了你你该如何操作，从而正确的使用它，当然我也可以把它关掉。

麻省理工公开课 - 计算机科学及编程导论课程节选

By "Present," We mean-- we will pick some part of the universe we want to study and we will ask, "What information do I need to know for that system at the initial time, like, right now, in order to be able to predict the future?"

我们所说的"现在",意思是,我们会选取客观世界某一部分来进行研究,然后我们就会问,我们需要什么信息去了解,初始时刻的系统,比如现在,进而能使我们能够预测未来呢

耶鲁公开课 - 基础物理课程节选

The only thing I need to say in order to distinguish this particular part of the chemistry of a DNA or an RNA molecule is to say 'it's DNA or its RNA', and 'what the base is'.

想要区别DNA和RNA,这两种化学结构不同的核酸的话,我只要说明它是DNA还是RNA,它的碱基是什么就够了

耶鲁公开课 - 生物医学工程探索课程节选