This means you should not risk losing something you have by trying to get more of something you do not have.

VOA: special.2010.06.13

No, no. But if you have a UROP, or you have a sports practice or something, we will allow that.

不行，但是如果你得到本科生研究计划，或者你要进行体育锻炼，我们是能够接受的。

麻省理工公开课 - 固态化学导论课程节选

You have to have a good public transportation system when you have as many people here as we do.

如果你那儿和我们这儿的人一样多，你们得有一个良好的公共交通系统。

纽约的交通手段 - SpeakingMax英语口语达人

"Why did you have to marry me when there were so many other girls to choose from?" she asked.

VOA: special.2009.06.27

So you have land being formed on day three, And on day six you have the creation of land animals.

我们看到土地在第三天形成，在第六天，我们看到了陆生动物的出现。

耶鲁公开课 - 旧约导论课程节选

You have no need of your courage, John Carter, because you already knew the answer before you asked the question.

VOA: special.2010.07.31

Particularly if you're of equal status, you have a common goal, and you have social support makes you like people more.

尤其是你们处于平等的社会地位，你们有共同的目标，有社会支持,这会使得你更喜欢别人。

耶鲁公开课 - 心理学导论课程节选

We want to know what you have to say about the effects of the Internet on language and writing.

VOA: special.2010.01.28

Now you have this situation where you have a droplet that is net negative or perhaps net positive.

现在的情况是那些液滴,可能是净负电，也可能是净正电。

麻省理工公开课 - 固态化学导论课程节选

Another friend sent this message to Roosevelt on his forty-sixth birthday: "You have made a very good start in life.

VOA: special.2010.08.12

And we haven't talked about reactions at all yet, so you don't need to worry about the specifics of that exactly, but just that if you have this negative change in energy, you have a more stable product than you do reactant.

当然我们还没有开始讨论反应，所以你不用担心它的细节是怎么样的，你只需要知道，如果能量的变化是负值，那么你将得到一个比反应物更稳定的生成物。

麻省理工公开课 - 化学原理课程节选

And while you're there, tell us if you have been able to quit smoking, and what advice you might have for others.

VOA: special.2010.05.31

You have to make every single detail perfect and you have to limit the number of details.

就是让每个细节都很完美,你必须要限制细节的数量。

斯坦福公开课 - Twitter之父Jack.Dorsey演讲：好奇和灵感的力量课程节选

It's pretty much the same thing. In writing, you have a blank page for you to start with.

VOA: special.2011.08.08

There is a bias toward boys or a bias against girls there So you have to look at a lot of things about websites and software You have to look at gender, you have to look at nationality, language, accessibility, so major for issues.

一种对于男孩偏爱却对女孩偏见的态度,因此对于网页和软件,我们必须仔细观察,必须观察性别，国籍，语言，可接近性等一系列重要的问题。

麻省理工公开课 - 媒体、教育、市场课程节选

And Iclal Yoksuc said to Egyptians: I hope you have a good president that cares about all Egyptians and that deserves you.

VOA: special.2011.02.12

And the context of sorting, the worst case is your handed a problem that's in complete reverse order because that implies you have - to do as more work that could possibly-- that you could-- you have to do more work than you would of course if things were in perfect order.

在排序的环境中，最糟糕的情况是待排序的序列是,完全逆序的，在这种情况下,你不得不做更多的工作-,比起一个较理想顺序的序列,你必须花费更多的努力。

哈佛公开课 - 计算机科学课程节选

And,if you are a very good person, I would even say that you have a heart of gold.

VOA: special.2010.07.11

You have to be a big company to do it and if you have a big company you've exhausted the risk of-- never goes away completely.

你的公司得够大才能做保险这项业务,如果你有个大公司你就能减小风险,不太容易被风险击垮

耶鲁公开课 - 金融市场课程节选

There was nothing I could do. When you have this kind of a problem, you can only take care of your body.

VOA: special.2010.08.09

Now here we have a situation where you have a completely concocted food, you have something like Twinkies to begin with, not something found in nature.

面对的全是人工调制食品,而非纯天然食品,以夹馅面包为例

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

But once you have succeeded in budgeting your money, you will have that skill under your belt.

VOA: special.2010.05.02

And one of the things that you have, you have talked some on the ethic capitalism, I wonder, can you tell me, how do we develop a moral maturity?

你曾经说过，就是你在谈论道德资本主义的时候，你能不能告诉我，怎样才能培养道德成熟呢？

普林斯顿公开课 - 人性课程节选

You can make your own chances. But first you have to know what you are after,my dear."

VOA: special.2009.02.14

So, if you have a sixty-one you're from the Ain, and if you have a sixty-two you're from the Pas-de-Calais, or if you have a sixty-three you're from the Puy-de-Dome.

如果是61的话,就来自安省,如果是62,就来自加莱海峡省,如果是63的话,就来自多姆山省

耶鲁公开课 - 1871年后的法国课程节选

And he offers this advice once you have chosen the record you want to set: Train hard.Plan ahead.Be patient -- don't give up.

VOA: special.2011.05.16

So, you have these diets and you have these parliaments, but one of the characteristics of absolute rule is that you don't have to call these bodies because the king is the big person.

所以,虽然设有国会,议会,绝对主义国家的特点之一,就是君主不必召开这些代议机构,因为他一人说了算

耶鲁公开课 - 欧洲文明课程节选

When life itself is easy, when you have no cares or problems, you are on "Easy Street."

VOA: special.2009.06.07

but you have to plan a funeral, and you have to, like, deal with the flowers then make a program

但同时你也要去筹划葬礼，准备祭奠的鲜花，确定葬礼的流程，

在学习话剧 - SpeakingMax英语口语达人

If you have, if you know you have a conflict with one of those quiz dates now John please see John or I right away.

如果你有事，如果你现在就知道,你有事和这两天冲突了,请马上来见我和。

麻省理工公开课 - 计算机科学及编程导论课程节选