If you are going out with your girlfriend,or boyfriend, you do not want another friend to go along on your date.

VOA: special.2009.07.26

That's why "is a very good pattern for showing why you do or do not do something.

That's why”是一个非常好的句型，它可以表达你做或不做某事的原因，

That's why 课堂 - SpeakingMax英语口语达人

We can't help understanding. We always already understand, which has nothing to do again with whether or not we're right or wrong.

我们控制不住地去理解，我们总是已经理解了，这与对错无关。

耶鲁公开课 - 文学理论导论课程节选

They say many people die or are injured by the gas because they do not use these devices correctly.

VOA: special.2010.02.02

Adiabatic can be either reversible or not, and we're going to do that probably next time or two times.

绝热过程可以是可逆的，也可以不是，我们可能会在下一次或下下次课上,研究这个问题。

麻省理工公开课 - 热力学与动力学课程节选

Acetaminophen,also called paracetamol, is found in Tylenol, Excedrin and other products that do not require a doctor's order or prescription.

VOA: special.2009.07.21

And for Americans, all our democratic experience and do I have to put a tie on for this event or not?

美国人也如此,我们都参与民主政治,知道在什么场合需要系领带,比如现在

耶鲁公开课 - 美国内战与重建课程节选

He says the released documents do not include any top-secret reports or names of informants or information like troop movements.

VOA: special.2010.07.31

Try to imagine-- can you do that or can you not do that?-- try to imagine a round square.

试着去想象,你可不可以这样,试着去想象一个圆的方形

耶鲁公开课 - 死亡课程节选

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

VOA: special.2009.09.25

They are always say 32 bits or always 64 bits they do not vary in size based on what they're pointing at.

它们总是32位或者总是64位，它们的大小不会因它们所指的,内容不同而不同。

哈佛公开课 - 计算机科学课程节选

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

Now, I put a version up there, I have no idea if this is the right way to do comparisons or not.

现在，我把一个版本放在这里了，我不知道这是不是,做比较的正确方法。

麻省理工公开课 - 计算机科学及编程导论课程节选

People do not need a job or a good credit history to get a loan from a pawnbroker.

VOA: special.2011.04.18

Or it could be not having to do with the cells themselves but maybe the environment that the cell finds itself in.

这种不同也可能和细胞本身无关,而和细胞所处的环境的变化有关

耶鲁公开课 - 生物医学工程探索课程节选

But this question is not about whether people can read, but whether or not they do read.

VOA: special.2009.03.27

But whether or not you do so doesn't seem to make a big difference.

但不论你是否选择这样做,都不会有什么太大的影响

耶鲁公开课 - 心理学导论课程节选

Rates are higher when people do not trust their leaders or feel protected or connected to society.

VOA: special.2009.12.19

OK, not a quiz for points or anything, don't freak out, but I do want you to tell me who these people are. So, what about this person?

我们的课程将由一个小测试开始，别紧张，这不记录分数的,但我希望你们能告诉我这些人是谁？

麻省理工公开课 - 化学原理课程节选

"I do not believe that any ethnic, racial or gender group has an advantage in sound judging."

VOA: special.2009.07.18

Unlike the ancient near eastern cities, these towns do not grow up around a temple or a marketplace, confluence of rivers as they do in medieval Europe.

和古代近东的城市不同,这些城邦不以庙宇或集市为中心来扩展的,也不像中世纪的欧洲那样以河流交汇点为中心

耶鲁公开课 - 古希腊历史简介课程节选

Another finding is that people who are married or work together do not have as much of an effect on happiness as friends do.

VOA: special.2009.01.21

How do I determine whether or not I am happy?

我如何判断自己是否幸福？

哈佛公开课 - 幸福课课程节选

Supporters say the standards are goals and do not tell states or teachers how to teach.

VOA: special.2010.03.25

As we do these little clicker poll things you can tell me if you find it helpful or not, then we can decide how to continue --whether to continue them in the future.

我们用表决器做这个小测试的同时,大家可以告诉我你们觉得这有没有帮助,然后我们再决定以后是否继续用

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

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

VOA: special.2009.08.10

Thought it would ruin my career You can do that in the evenings It's not what it is to be a professor, or a philosophor, or anything that would be respected by a university.

觉得这会毁了我的事业,我可以在晚上搞这种研究,那不是一所大学里倍受尊敬的,一个教授，或是哲学家,或是任何人所会做的事。

麻省理工公开课 - 电影哲学课程节选

Cold weather is most likely to damage or kill plants that do not have enough moisture.

VOA: special.2010.01.12

But then I asked another question, do you think trying to pick mutual funds, trying to find a mutual fund that will beat the market is a smart thing to do or not a smart thing to do?

但是接着我又问了另一个问题,你们认为选择共同基金,选择一种强于市场表现的共同基金,是不是明智之举呢

耶鲁公开课 - 金融市场课程节选

A state of war can include, in other words, " what we might call a "cold war," two hostile sides looking at each other across a barrier of some type, not clear or not certain what the other will do.

换句话说，战争状态包括，我们所说的“冷战“,敌对双方透过某种屏障,对对方虎视眈眈，却不知道对方会干什么。

耶鲁公开课 - 政治哲学导论课程节选