Right. You really have to have a wise passiveness that moment to really think that every piece of art have that kind of duty behind it.

的确，一个人必须要有这种聪悟的被动,才能在那一瞬间理解到每一个艺术作品,背后都有这个的意义。

普林斯顿公开课 - 人性课程节选

You have to sort of, you know, put everything in the line, and take your whole life in the next couple of years,

你必须在接下来的两年里对你的人生有一个规划，

要想成为事业家 - SpeakingMax英语口语达人

So the other possible deviation we have to consider, is a deviation of the form of one of these guys dropping out.

那么另外一个我们必须要考虑的偏差,是她们俩有一个人退出选举

耶鲁公开课 - 博弈论课程节选

Every force, with one exception, can be seen as a force due to direct contact with the body.

除了一个例外,其它所有力必须要和物体有直接接触

耶鲁公开课 - 基础物理课程节选

Any frequency can't have an energy, you have to -- you don't have a continuum of frequencies that are of a certain energy, it's actually punctuated into these packets that are called photons.

任何频率不能有个能量,你必须要-对某一个能量上,你不会有连续的频率,光子实际上分立的存在。

麻省理工公开课 - 化学原理课程节选

What must this experiment have the potential to do, to be a valid scientific experiment?

实验必须有做什么的能力,才能被称为一个有效的科学实验呢？

麻省理工公开课 - 计算机科学及编程导论课程节选

It has to have a contract design; that would be a document, which is a contract between the insured and the insurance company.

它必须有合同设计,那是一个文件,也就是被保险人和保险公司签订的合同

耶鲁公开课 - 金融市场课程节选

And then, on the top of 3, we get another example: "In other words we've got to get on the ball, darling, what I'm saying, otherwise it'll be fluctuating and lack of true knowledge or crystallization of our plans."

然后，在第三页上面，又有一个例子：,换句话说我们必须去这个舞会，亲爱的，我是说，不然就会变得波动又缺少真知识,或使我们的计划结晶化“

耶鲁公开课 - 1945年后的美国小说课程节选

Now, admittedly they've got this little piece of cloth that gives them a decent chance of not killing themselves when they jump out of airplanes.

现在，必须承认他们有这么小小的一片布,给了他们一个当他们跳下飞机时,不会死的足够的可能性。

耶鲁公开课 - 死亡课程节选

The narratable, in other words, must enter into a structure.

可叙述的，换句话说，必须有一个结构。

耶鲁公开课 - 文学理论导论课程节选

They both have some attraction and one has to grapple with that.

它们都有吸引人的部分,而作为一个人你必须抓住这两点

耶鲁公开课 - 古希腊历史简介课程节选

I have to ask is there a net dipole?

我必须问这里是否有一个网状偶极？

麻省理工公开课 - 固态化学导论课程节选

But if you're going to have a big old fort, and you're going to have lots of cannon that you hope to use against your craven, reptile enemies that would want to get in your way, you've got to have people to try out the cannon.

如果你想攻占一个大型的旧式堡垒,你必须要有很多大炮,来对付那些缩在城堡中的敌人,还需要很多士兵来操纵这些大炮

耶鲁公开课 - 欧洲文明课程节选

That at the base of all societies there has to be a labor system that will support the possibility of Plato.

在所有社会的基础上,必须有一个劳动制度,一个能供柏拉图施展他才华的制度

耶鲁公开课 - 美国内战与重建课程节选

But the catch is that the party on the other end of things has to have that same machine or know that same number.

但是那个隐情是对立面的党派,必须有一个同样的机器或者知道那个密钥。

哈佛公开课 - 计算机科学课程节选

For some others it might mean being basically restricted to the home, if not all the time, then the only exception being in public, in the company of a close-male relative as chaperon.

在一些别的地方可能意味着,基本上深居简出，即使不是一天到晚，也只有外出是例外，而且必须有一个男性近亲作监护人陪同。

普林斯顿公开课 - 人性课程节选

There could be a negotiation going on.

必须有一个参与人做出让步

耶鲁公开课 - 博弈论课程节选

Scratch The syntax actually looks reminiscent to Scratch, where you have a puzzle piece reminiscent of this shape, but you have to say "if" followed by a space, followed by in parenthesis, the Boolean expression that you want to check -- more on those in a moment.

这个语法看起来使人想起，那里有一个这种形状的程序块，但是你必须说明“if“后面跟着一个空格，跟着一个括号，一个你需要核对的布尔表达式,-还有更多的。

哈佛公开课 - 计算机科学课程节选