Why this struggle, and why must Milton struggle with such awkward metaphysical categories in order simply to address properly the power of light?

为什么弥尔顿必须,与这样一个奇怪的抽象的东西斗争,仅仅是为了恰当的描述光明的力量？

耶鲁公开课 - 弥尔顿课程节选

because you need to know like, how fast the shutter speed and all that stuff,

因为你必须知道，像快门的速度，还有其他这一类东西，

体育相片的魅力 - SpeakingMax英语口语达人

The problem with that answer is before you say something is scripture, you have to say why is it scripture,for whom is it scripture, and what does that mean?

这个回答的问题在于,在把某样东西定义为圣典前，必须明确为什么，对谁来说是圣典，那是什么意思？

耶鲁公开课 - 新约课程节选

In order to explain life, we have to appeal to something more than just atoms.

要解释生命,我们必须诉诸原子以外的其他东西

耶鲁公开课 - 死亡课程节选

Notice here that it's different than the binary search case. We're certainly dividing down, but the combination now actually takes some work. I'll have to actually figure out how to put them back together. And that's a general thing you want to keep in mind when you're thinking about designing a divide and conquer kind of algorithm.

一个分治的例子,注这里，与二分查找所不同的地方,我们肯定是分解了,但是合并的过程还是需要一些工作量的,我会详细说明怎样把它们合并在一起的,当你在考虑设计一个分治算法时,这是你要必须记住的最基本的东西。

麻省理工公开课 - 计算机科学及编程导论课程节选

And often, if you want to make a lot of it, you have to think about the thermodynamics of the system, how fast the reactions will go and kinetics, and then whether they'll go, the thermodynamics, and sometimes then you need to adjust the reactions, maybe use a transition metal to make it go better.

这种分子就不能正常工作，而且通常来说,如果你要大量生产一个东西,你必须考虑系统的热力学，反应速率和动力学,还有反应是否会发生，热力学，而且有时候你需要调整反应的发生。

麻省理工公开课 - 化学原理课程节选

So there's no mention of int, and yet we've been saying for the past couple of lectures, that anytime you declare a variable, you absolutely have to specify its type.

这里没有提及int，我们在前几个演讲中,一直讨论的东西，任何时候你声明一个变量，你必须指定它的类型。

哈佛公开课 - 计算机科学课程节选

You know, you become expert on what you are doing. You learn more things.

如果你想成为你领域里的专家，那么你必须学习更多的东西。

研究生院也在这里 - SpeakingMax英语口语达人

You got to accept, I think, that you are not going to understand everything.

你必须接受这个事实，就是你不能看懂所有的东西。

要想成为读书达人 - SpeakingMax英语口语达人

You want to use "make sure" to declare that you want something to declare that something needs to be done.

当你声称想要某东西，或表示某事必须做到的时候，可以使用“make sure”句型。

Make sure 课堂 - SpeakingMax英语口语达人

The reason he had to uncover it was that beehive tombs, like everything else, were buried.

必须发掘它的原因是,这些蜂窝墓像其他东西一样被埋在地下

耶鲁公开课 - 古希腊历史简介课程节选

Initially a psychoanalyst, trained through the works of Freud, she realized the focuses had been too much on the negative-- on neurosis, on psychosis and said we also, not only but also have to focus on what is working on human organism.

她最初是精神分析学者，学习弗洛伊德的理论，意识到其过于注重消极面-,神经症，精神病，她认为，还必须关注影响人类生命体的东西。

哈佛公开课 - 幸福课课程节选

You got to be the kind of things that can change in order to be composite.

要想成为合成的东西,必须首先可以改变。

耶鲁公开课 - 死亡课程节选

You got be be composite in order to be destroyed.

要想毁灭必须是合成的东西。

耶鲁公开课 - 死亡课程节选

What I want to do today is three things: I'm going to start-- actually, I shouldn't say start, I'm going to do a little bit of administrivia, the kinds of things you need to know about how we're going to run the course.

今天我要做三件事儿：,我要开始了--其实不应该说开始，我准备做一点儿文案工作，也就是关于怎么上课的,一些你们必须知道的东西。

麻省理工公开课 - 计算机科学及编程导论课程节选

Now, roughly speaking, Socrates' seems to think it's going to follow straightforwardly from that that the soul must itself be something non-physical.

因此,粗略地讲,苏格拉底似乎认为,这就很明确地说明了,灵魂也必须是非现实的东西

耶鲁公开课 - 死亡课程节选