A tube is placed inside the body to collect urine, so the patient does not have to get out of bed.

VOA: special.2010.04.21

In fact you do not have to kill any animals for this kind of research because we do everything in a test tube.

其实，做这种研究,你根本用不着杀害任何动物,因为试验都是在试管中进行的。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

so it's nice just to be able to relax and not have to do work.

所以能抽空放松一下感觉非常不错。

百慕大出身 - SpeakingMax英语口语达人

They wanted new states to be free from slavery, so they would not have to compete with slave labor.

VOA: special.2009.04.30

You do not have to wave your hands in the air if you're math phobic, but since some of you are, let me just get you all to take a deep breath.

如果你有数学恐惧症你不必举手示意,既然有人是,那么让我们深呼吸一下

耶鲁公开课 - 博弈论课程节选

It meant that people would not have to climb many steps to reach the upper floors of tall buildings.

VOA: special.2010.03.31

As we'll see in section today, a vaccine does not have to be totally perfect in order to prevent transmission of a disease, because when a disease enters a community its spread from one person to another.

有如我们今天看到的,疫苗不一定非要,绝对完美地阻止疾病的传播,因为当疾病侵入一个社区后,会在人群间传播

耶鲁公开课 - 生物医学工程探索课程节选

You do not have to dress to the nines, or wear your best clothes, for this kind of work.

VOA: special.2009.07.26

Finally this may be news to you, but this is not English 10A or Math 55, meaning you'll not have to read as much as you will read for 10A or for a history class, and this class is not as difficult as Math 55 so you rest.

最后这个可能对你们来说有些新，但这不是10A号英语课和55号数学课，也就是说你不用像10A号课或者历史课那样做大量的阅读，也不像55号数学课一样难，所以你们可以轻松些。

哈佛公开课 - 幸福课课程节选

Professor Nyokong says she wants to support young women in science so they do not have to experience this.

VOA: special.2009.05.13

It's a kind of imprisonment, understanding, and when Heidegger says, wouldn't it be great not to have to merely understand?

理解是一种禁锢，海德格尔说，不必去理解不是很好吗？

耶鲁公开课 - 文学理论导论课程节选

And they let others know it. They sometimes made statements about how they did not have to obey the law.

VOA: special.2010.02.25

That's a sign to me that we're not there yet and we have a lot more to do in finance.

很明显，我们并没达到那个边界,这说明我们在金融领域还有很多事情要做。

耶鲁公开课 - 金融市场课程节选

The reshaped cornea corrects the patient's bad eyesight so he or she does not have to wear glasses or other corrective lenses.

VOA: special.2010.09.01

Though we have to have not just the generic program, but the specific data files and databases and so forth.

虽然我们不仅有通用程式，还有特别的数据文档和数据库等等。

耶鲁公开课 - 死亡课程节选

Maybe even lots of snow. If you do not have to drive in it or remove it, snow can be very beautiful.

VOA: special.2009.01.26

Well, this is in a stationary orbit so we need to have a standing wave. Not to scale.

在静止的轨道中,我们需要的是驻波，不是要去测量。

麻省理工公开课 - 固态化学导论课程节选

She said she did not have to act like a white woman that Hollywood hoped she would become.

VOA: special.2010.05.23

Look what happens to Galileo, who was lucky enough not to have been burn on the stake by his friend, the pope.

看看伽利略的遭遇吧,他足够幸运,没有被他的教皇朋友绑在火刑柱上烧死

耶鲁公开课 - 欧洲文明课程节选

Netflix members do not have to go to the video store to get movies or to return them.

VOA: special.2009.09.25

We could choose any two quantities, and, in fact, it turns out that these are going to prove, after we have the second law, not to be the best choice.

我们可以任选两个物理量，其实，在学习了热力学第二定律之后，我们可以证明，这样的选择并不是最好的。

麻省理工公开课 - 热力学与动力学课程节选

They said it would be such an easy victory that he would not have to campaign.

VOA: special.2010.05.27

That's why it's all in French, because it's not copyrighted, and we have to be careful with that in here with these camera rolling--cameras rolling.

都是法文,因为没有相关版权,而且我们必须得特别小心,何况我们还在录像

耶鲁公开课 - 聆听音乐课程节选

They would not have to make the long,costly voyage around the southern end of South America.

VOA: special.2010.08.12

So you try, if you can grow grain on your land or you grow it where you can, if not, you have to get it elsewhere.

所以你要有一个,如果你的土地适合耕种谷物,或者其它任何可以生产谷物的地方,如果不能,你就必须换个地方了

耶鲁公开课 - 古希腊历史简介课程节选

Unlike blogs, Twitter users do not have to log onto the Web site to post updates.

VOA: special.2009.02.06

> So for anything that's not printf, you have to write out code?

>，对于不是打印输出的，你需要写出代码吗？

哈佛公开课 - 计算机科学课程节选

Tanya Pinto says you do not have to be wealthy or well known to help others.

VOA: special.2009.08.10

It's been said that to quote anybody is necessarily to misrepresent him, and this fact is obviously a very good thing for Lady Mary Chudleigh since Milton would certainly not himself have wanted to suggest that women are superior to men.

有这样一种说法，引用任何人的话都难免曲解其原意，很显然这对玛丽·恰德莱夫人的论证是有利的,因为弥尔顿的原意绝对不可能是说,女人的地位要高于男人。

耶鲁公开课 - 弥尔顿课程节选

I don't think that people should be, should have to convince 280 million others simply in order to exercise their own rights, in order to not have their self ownership violated.

我不认为人们，必须说服其他2亿8千万人,只为了争取自己的权利，只为了保护自我所有权不受侵犯。

耶鲁公开课 - 公正课程节选