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

So, electron promotion does not happen in terms of nitrogen, because it would not increased our number of unpaired electrons.

这里对于氮原子不会有电子激发，因为这不会增加,未配对电子的数目。

麻省理工公开课 - 化学原理课程节选

They're just not, they are not amateurs. I mean, some of these people, they're not like amateurs.

事实上他们并非业余的。我是说，这些人当中，有些完全不像是业余爱好者。

美国偶像 - SpeakingMax英语口语达人

They are not accepted in Thai schools because they are not citizens of the country and do not speak Thai.

VOA: special.2010.05.03

The virtual work of the reader does not involve surprise, does not involve the violation of expectations.

读者的虚功中没有惊讶，也没有期望的违背。

耶鲁公开课 - 文学理论导论课程节选

She was not married to either of them. She also did not hide the fact that she was bisexual.

VOA: special.2010.08.29

Yeats spoke of the poem as a mad song, maybe not a kind of mad song we would--it's not what we would think of as a mad song, necessarily.

叶芝说这是首狂诗歌，也许不是我们所讲的狂诗歌,不一定是我们所认为的狂诗歌。

耶鲁公开课 - 现代诗歌课程节选

First,they said, he could not be guilty of treason against Virginia, because he was not a citizen of Virginia.

VOA: special.2009.07.02

And what's striking about these is--it's not-- these are not just sort of big, screwy problems of messed up people.

而更加惊人的是,这些并不是只疯子们,才会拥有的严重且古怪的心理问题

耶鲁公开课 - 心理学导论课程节选

The places under the care of the National Park Service are not all refuges of peace and quiet,however.

VOA: special.2009.09.28

You might have thought before we started talking about molecular orbital theory that non-bonding was the opposite of bonding, it's not, anti-bonding is the opposite of bonding, and anti-bonding is not non-bonding.

你也许在我们讨论分子轨道之前,就想过非成键时成键的反面，它不是，反键才是成键的反面，反键不是非成键。

麻省理工公开课 - 化学原理课程节选

He could not think of loving any other woman, and could not imagine Athnaise ever caring for him.

VOA: special.2009.06.27

Except that the Revelation of John is still not part of the lectionary or canon in some Eastern and Middle Eastern churches.

除了约翰启示录仍然不在,一些东方和中东教会的经文选或正典里。

耶鲁公开课 - 新约课程节选

But its lack of action did not stop the rise of a labor organization that had been formed a few years earlier.

VOA: special.2010.05.06

It is not an SI unit because it is not a multiple of 10 to the 3rd, but I like the angstrom.

它不是国际制单位，因为它不是,10的3次方进制，但我还是喜欢这个单位。

麻省理工公开课 - 固态化学导论课程节选

"People pass on their gifts of not just animals. They pass on those gifts of training and leadership.

VOA: special.2010.06.22

Under torture, Alexis--who probably dies of cold, not of torture, in a very frozen cell-- named Boyar accomplices.

严刑之下,阿列克谢命丧黄泉,他本人可能并非死于严刑,而是在冰冷的牢房里冻死的

耶鲁公开课 - 欧洲文明课程节选

Newer drugs attempt to suppress only one small part of the immune system, not all of it.

VOA: special.2009.04.14

So, I want to stress the sense of natural development, not some kind of a central authority making a decision about anything.

我在这里强调,这是一种自然的发展方式,不是某种中央政权进行决议的结果

耶鲁公开课 - 古希腊历史简介课程节选

He said the success of the song gave him the chance to have some of the things he could not have dreamed of.

VOA: special.2010.05.16

Now, again, I'm not any kind of scientist and so I'm not in any position to say, "Look, here are the details of the explanation."

我不是什么科学家,所以我没有资格说,看,这个解释的细节就是这样

耶鲁公开课 - 死亡课程节选

Of course,not all of the puppets at the Center for Puppetry Arts date back to ancient times.

VOA: special.2009.09.23

But in fact, not everyone votes, there's always the option of not voting.

但是事实上,非人人都投票,不投票也是一种策略

耶鲁公开课 - 博弈论课程节选

When one thinks of the "Wild West" of America, he does not think of the miners who opened the way to the West.

VOA: special.2010.03.18

why not make any chance of people not realizing that it's red?

为什么不利用,人们并未意识到那是朵红玫瑰这点？

麻省理工公开课 - 电影哲学课程节选

To patriots who are not members of organized resistance groups, I say: Continue your passive resistance, but do not needlessly endanger your lives.

VOA: special.2011.06.16

If one were faced with starvation, then seeking out fat as we discussed before, is a pretty good idea, but if one is not deprived of calories, then having fat may not be so helpful.

如果一个人面临饥饿,像我们之前讨论的去寻求脂肪,是个好主意,但是如果一个人不消耗热量,那么摄取脂肪就没什么用了

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 limited liability means the actions of a corporation are not the responsibility of its shareholders.

VOA: special.2010.03.05

If you've ever visited parts of Indonesia--which I have not— and if you've ever visited parts of China--which I have not— I am told that you will hear this kind of music.

有人去过印尼么,我没有,有人去过中国吗,我还是没有,据说在那里会听到这种音乐

耶鲁公开课 - 聆听音乐课程节选

Because we hold relatively stable, relatively well-diversified portfolios, security selection turns out not to be an important determinant of returns for most investors and market timing turns out not to be an important determinant of returns.

因为持有相对稳定,和相对分散的投资组合,证券选择不再是,决定投资者回报率的重要因素,而市场时机选择,也不会成为决定回报率的重要因素

耶鲁公开课 - 金融市场课程节选