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

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

We are not talking about the cure for cancer, but it does have it within it to help us make sense of things.

虽然诗歌不能治愈癌症,但它确实能够帮助我们理解事物。

普林斯顿公开课 - 人性课程节选

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

A To make an A paper in my class, A to make an A on a paper, not only does the paper have to have the right answers and fulfill the assignment, it has to be written elegantly and excellently.

在我的课上要拿，论文得，不仅内容回答要正确,符合要求，而且必须文笔优美。

耶鲁公开课 - 新约课程节选

But she says fixing the government does not have to mean making it the enemy.

VOA: special.2010.03.06

If you're wondering what's OK or what's not OK, it's very clearly written out in this handout, so make sure you read through it, because it is your responsibility to make sure that your calculator does not have anything extra programmed in it.

如果你不清楚什么可以什么不可以，讲义上写得很清楚，所以请大家务必看完它，因为你有义务保证,在自己的计算器里,没有编上额外的程序。

麻省理工公开课 - 化学原理课程节选

Mister Amaya even buys the flour for his pastas from an American producer so that he does not have to import flour from as far away as Italy.

VOA: special.2009.04.10

What he's saying here is the following: "What we have learned over fifty years is that the disease model does not move us closer to the prevention of these serious problems.

他是这么说的：,“五十多年的经验告诉我们，疾病模型,不能让我们更有力地预防,这些严重问题。

哈佛公开课 - 幸福课课程节选

The privately held company does not have to report earnings.

VOA: special.2010.05.28

But what seems likely is the sort of phobias you're likely to have does not have much to do with your personal history but rather it has a lot to do with your evolutionary history.

但你可能患有的恐怖症,似乎与你的个人经历无关,而与人类进化史有着很大的关系。

耶鲁公开课 - 心理学导论课程节选

A grant,unlike a loan,does not have to be repaid.

VOA: special.2009.02.19

And we talked about this before--that classical music, probably eighty-five percent of it, does not involve a text, and that's a whole different ballgame because then you have to communicate meaning in a completely different sort of way.

我们之前也说过，古典音乐，大约百分之八十五，都没有歌词，所以这就让这两者产生了本质的区别,听众必须用完全不同的方法理解音乐的内涵。

耶鲁公开课 - 聆听音乐课程节选

"It does not have to be legal work. It can be begging. It can be all kinds of activity.

VOA: standard.2009.08.21

Well, for a thing called main which itself is a function but a function I wrote, a tool I am writing at the moment not like printf which someone else wrote long ago, I have to say where does main start, where does main end, and I do that by using these curly braces.

至于这个名曰main的函数,由我们自己写的函数，也是一个工具,只不过由我们自己编写，而不是像printf那样已经由前人写好了,我们必须要说明main在哪开始，在哪结束，这样我们就要用到大括号了。

哈佛公开课 - 计算机科学课程节选

The White House has declared the unemployment bill an emergency measure, meaning it does not have to be offset by spending cuts in other areas of the federal budget.

VOA: standard.2010.07.19

There is obviously much in the American regime that Aristotle would have found admirable even though it does not conform to his idea of the best regime which is the subject of the last two books of the Politics Book VII and VIII.

明显地,美式政体有许多,是亚里士多德仍会觉得值得赞扬的,虽然那并未符合,他的最佳政体概念,而这正是《政治学》最后两册,第，VII，及，VIII，册,所集中探讨的主题。

耶鲁公开课 - 政治哲学导论课程节选

It does not have to be a choice between the two."

VOA: standard.2009.05.04

We'll be using the solutions, so you shouldn't have a problem, but I wanted to point it out so it does not look too strange to you.

我们将会用它的解，所以你们不应该问题，但是我想提出它,这样你们就不会对它太陌生。

麻省理工公开课 - 化学原理课程节选

But if the person who won your heart does not love you, then you are sure to have a broken heart.

VOA: special.2010.07.18

And in terms of doing this for your homework, I actually want to mention that in the back page of your notes I attached a periodic table that does not have electron configurations on them. It's better to practice doing electron configurations when you cannot actually see the electron configurations.

关于你们的作业，是在你们讲义的后面的页,我附上了一张,没有给出电子构型的周期表,最好联系一下做出电子构型,当你们实际上看不到,电子构型的时候。

麻省理工公开课 - 化学原理课程节选

In the song,a man named Charlie has to ride forever because he does not have enough money to leave the train.

VOA: special.2010.01.25

In other words, just because women cry more does not mean they are more likely to have a "good" cry.

VOA: special.2009.01.28

The idea is that the matter we see does not have enough gravitational pull to keep galaxies together.

VOA: special.2009.07.21

She may have dreams. But she does not allow them to block her understanding of what is real.

VOA: special.2009.03.08

If your friend does not seem to understand how painful your broken heart is, you may ask her to have a heart.

VOA: special.2010.07.18

In nineteen thirty, she became the first woman in the United States to get a pilot's license to fly a glider, which does not have an engine.

VOA: special.2009.06.28

It does not have any exciting activities to offer visitors.

VOA: special.2009.07.12

Allieu would like to build a new house for Jusu, but he does not have the means right now.

VOA: standard.2010.06.07

"We simply cannot continue to spend as if deficits do not have consequences, as if waste does not matter."

VOA: standard.2010.02.01