Gather and tie the leaves over the head, and do not wait for the buds to separate before harvesting.

VOA: special.2010.03.09

Just a quick check and this is not for the camera, how many of you have seen Bertrand competition before?

我们迅速了解一下,这不是为了录影,你们谁之前学过伯川德竞争

耶鲁公开课 - 博弈论课程节选

but I was up really late the night before and I just randomly decided not to go.

但我前一晚熬夜了，所以我就临时决定不去了。

I was实战 - SpeakingMax英语口语达人

Norman Borlaug taught at Texas A&M University and worked on international projects until not long before his death on September twelfth.

VOA: special.2009.09.22

But as I said before, the food environment has changed very quickly and people have not.

但是就像之前说的,食品环境改变迅速,而人却没有

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

And Smiley,before he thought,says, "Well,I'll risk my money she will not get well.'" And Smiley had a little small dog.

VOA: special.2009.08.29

This was a radical concept in its day, evidently. The punishment should fit the crime, no more and no less for all free persons--granted slaves are not included--regardless of social class. Equality before the law.

很显然，这是当时最根本的概念，惩罚应该,与罪行相符，不偏向任何自由人，不顾社会阶级,当然奴隶除外，法律面前人人平等。

耶鲁公开课 - 旧约导论课程节选

As president, it was not long before he got into trouble in the battles of politics and government.

VOA: special.2010.02.18

I want to do this carefully and slowly, and before I even start, let me point out in passing that calculus is not going to help us here.

我要慢点仔细讲这部分,在我开始之前,我需要说明微积分,在这里是用不着的

耶鲁公开课 - 博弈论课程节选

The two groups could not settle their differences before the state and congressional elections of eighteen ninety.

VOA: special.2010.06.10

And who has not felt that way before?

谁没有那样的感觉过？

耶鲁公开课 - 政治哲学导论课程节选

Some educators and parents do not like the idea of sending students as young as sixteen off to college, before they may be socially ready.

VOA: special.2010.02.25

And they have graciously meet available their complete Film library. Not just the documentaries but the films They use before cut together the documentary for every hour of documentary their might be a hundred more hours of source video and film.

他们还实现了完整的电影图书馆,不仅是成型的纪录片,还有最初未剪辑的完整电影,每一个小时的纪录片背后他们可能,有超过100个小时的资料片电影。

麻省理工公开课 - 媒体、教育、市场课程节选

And she said their society did not condemn sex before marriage.

VOA: special.2010.01.17

Nature is a meaningless concept just like the lack of meaning within nature, where there's no culture until culture comes along and says, "Oh, not so much there is nature, but I'm terribly unhappy because before I came along, there was nature." Right?

自然是个没有意义的概念,正如自然之中意义的缺乏，自然中原本没有文明，直到文明走过来说，“哦，自然的存在并不算什么，我很不高兴的是因为,我来之前，这里就有自然了“，是吧？

耶鲁公开课 - 文学理论导论课程节选

But critics believe Mr.Yar'Adua has moved too slowly on reforms and that key changes are not expected before the 2011 elections.

VOA: standard.2009.08.22

And it's at this point, and I think it's, importantly, not before this point, that Milton's able to throw himself fully into that eroticized conjecture, that catalog of all the flowers that was to be thrown onto the hearse bearing Lycidas' body that we looked at last time.

此时，我认为，弥尔顿能够让他自己完全,投入那种情色的推测中去，投入到那种所有的花儿，都被投入到我们最后见到的,的骸骨中去，是非常重要的。

耶鲁公开课 - 弥尔顿课程节选

It's not the first time CSPI has threatened legal action against junk food makers -- and the strategy has worked before.

VOA: standard.2010.06.24

People who have seen this before, done it before, lived through it, and now you can count on them not to run away, better than you can on a fresh recruit who's never done this before.

有经验,杀过人,亲历过战争的人,往往可以靠得住,不至于临阵脱逃,从没参加过战斗的新兵蛋子一般都不怎么靠谱

耶鲁公开课 - 古希腊历史简介课程节选

McCain said the United States, France,Britain and Germany should not wait for the United Nations before imposing their own stepped-up sanctions regime.

VOA: standard.2010.04.14

And my own belief is when you are not in command ; when you are humble before the thing; frankly, only then, is anything of any interest is going to happen in the arts.

我的信念是，只有当你失去了话语权,当你在艺术作品前谦卑时;,坦率地讲，只有这时，你的作品中,才会有奇迹发生。

普林斯顿公开课 - 人性课程节选

"We have a level of commitment that we have not had before, and that will change everything,".

VOA: standard.2009.12.03

This second chimpanzee is not a relative of the first chimpanzee and they've never seen each other before.

这只黑猩猩跟第一只黑猩猩,没有血缘关系,它们以前也从来没见过面。

耶鲁公开课 - 心理学导论课程节选

It is a slippery slope. And, we're not careful, before we know it all of us will be in a much more dire situation."

VOA: standard.2009.11.11

Or it can the kind of change we talked about before, where during division there are some chemicals that are trapped in one cell and not in the other, and that could lead to a difference we already talked about.

可能是我们之前说过的,在分裂过程中可能发生的,不对称分裂的现象,并导致我们已经讲过的某些不同

耶鲁公开课 - 生物医学工程探索课程节选

Standing before Turkish parliamentarians, he said he wants to restore trust not just between the United States and Turkey, but America and the Muslim world.

VOA: standard.2009.04.06

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

In his letter, the pope said that not searching the Internet for information before lifting the excommunications was an unforeseen mishap that caused tensions between Christians and Jews.

VOA: standard.2009.03.12

The less than side is gonna be a less than sign, and then the word and is going to become not one & but two ampersands back to back, and we'll see why it's two and not one before long.

小于“侧还是用的“小于“,而中间的“and“将去掉,换成两个紧挨着的&符号，但至于为什么是&&而不是,我们以后会提到。

哈佛公开课 - 计算机科学课程节选

I'm doing a test there to say, x if the string x is less than the value of b, and x does not appear before b as strings, then I was going to do, oh, a couple of things, because they're at the same block level.

我正在做一个测试来看看，字符串,是不是小于b的值，而且x不在b之前作为字符串出现，如果是真的话我就要做，一系列的操作，因为他们是在同一个块等级上。

麻省理工公开课 - 计算机科学及编程导论课程节选