He says the global economy must change to a sustainable system now before social issues and ecological degradation become overwhelming.

VOA: standard.2010.01.23

Now before we talk about this, let's just collect this information in a more useful way.

在我们讨论之前,先有效地整理一下这些信息

耶鲁公开课 - 博弈论课程节选

Before working at the school that I'm at now, I worked at a school in San Francisco

在我来到现在工作的学校之前，我在那里的学校工作过，

旧金山的公立教育 - SpeakingMax英语口语达人

The USDA analysis also concludes that the climate bill now before Congress gives farmers opportunities to more than offset their financial losses, although not all farmers may be able to take advantage of them.

VOA: standard.2009.12.12

Now before I get into that, are any of you here from Texas?

现在我讲这个之前，我想问问你们有人是来自德克萨斯州的吗？

麻省理工公开课 - 计算机科学及编程导论课程节选

"It may not be until maybe a year, or two years from now before we fully understand the impact of the deal-making that was done, in order to secure these voting blocs in places like Qandahar,Helmand, where the insurgency has really taken control, and where the government is the weakest and it has the weakest bargaining position."

VOA: standard.2009.08.03

But what about right now before we delete anything?

但是如果我们不剔除任何策略呢

耶鲁公开课 - 博弈论课程节选

Now he would have to deal with the problems that presidents before him had not been able to solve.

VOA: special.2009.05.07

Now you also may remember that we have already run into Spenser's Mammon before this point, before Paradise Lost.

现在你们可能也记得我们已经,在遇到《失乐园》之前就与斯潘塞的贪欲之神相遇了。

耶鲁公开课 - 弥尔顿课程节选

Now,the University of Southern California researchers say their work may make it possible for doctors to heal cleft palate before birth.

VOA: special.2009.12.22

In fact, you could be sitting three years from now waiting before commencement and you can get that grade adjusted.

实际上，你可以从现在到知道毕业典礼前,一直坐等三年,你可以更正成绩。

麻省理工公开课 - 固态化学导论课程节选

He said that never before had he spoken to a group as troubled and worried as the one he spoke to now.

VOA: special.2009.03.19

And now, if I'm touching mouse pointer, we saw that Boolean expression before, play sound meow, wait a couple of seconds, and then just keep checking.

现在，如果我们碰下鼠标指针，起初我们看到一个布尔表达式，播放猫叫的声音，等几秒钟，然后如刚才那样做检测。

哈佛公开课 - 计算机科学课程节选

Most blamed the recession. The most recent student survey showed that just one-fifth of those who looked for jobs before graduation have one by now.

VOA: special.2009.06.25

Now the added sugar before, does anybody remember from the Eaton article how ancient humans added sugar to things?

在糖类出现以前,有谁还记得伊顿的一篇文章是谈论,祖先是如何在食品中添加糖类

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 now,before my courage fails, I would ask you, to be mine in marriage.

VOA: special.2010.07.31

And just like we saw before for the case of entropy in an isolated system, now we have something we can calculate.

就像我们前面看到的,孤立系统的熵一样，现在我们有一些可以计算的东西。

麻省理工公开课 - 热力学与动力学课程节选

He says there is now some calm that did not exist before.

VOA: special.2009.05.29

Now I don't know how impressed you are, the year before that it was 22% in one year.

我不知道给你们是否被震撼到了,前年的收益率是22%

耶鲁公开课 - 金融市场课程节选

The breaking up of the federal Union before,only threatened now,is attempted.

VOA: special.2009.07.30

A lot of didn't get sick from it now, and we got sick from it before.

许多人不会再因为微生物得病了,而人们以前则会因此生病

耶鲁公开课 - 生物医学工程探索课程节选

"When I was talking about knowing if my business is viable or not, through a profit-and-loss model, I was like 'Wow,I didn't even know the word viable before, and now I do.'

VOA: special.2011.06.30

Now of course, it was a psychological experiment, they had all these different measures, taken before/after.

这是个心理学实验，在实验前后进行各种测量。

哈佛公开课 - 幸福课课程节选

"Now Mr.Taylor,you have said to this bench throughout your direct examination that all of this evidence here before you,it's all lies.

VOA: standard.2009.11.10

Now, at this point I have to just confess, as I've confessed at other times before, the three is a claim about empirical science.

在这一点上我必须承认,像我之前承认过的那样,前提三是关于实证科学的

耶鲁公开课 - 死亡课程节选

She says now every home has a phone,TV,fridge and washing machine, but before the '80s these were much rarer.

VOA: standard.2009.09.28

All right. Let's hope we can free our minds of these matters now and turn to something a little more substantive, which is the question--before we plunge in to Gadamer really: what is hermeneutics?

现在让我们把思想从这些事物中解放出来,转向更实质性的问题，在我们探讨伽达默尔之前：,曾提出这样一个问题：诠释学是什么？

耶鲁公开课 - 文学理论导论课程节选

"We flew on it for a couple hours, and now it's 24 hours before we go fly again."

VOA: standard.2010.07.05

Now, again, we spoke about them before when talking about the brain.

我们再一次在讲述大脑前提到了这些损伤

耶鲁公开课 - 心理学导论课程节选

Well now, before we go any further-- in your Herodotus readings and elsewhere, you will come across many a story in which an oracle is consulted and gives an answer.

现在,在我们深入这个问题之前,当你们阅读希罗多德或其他作品时,里面有大量的故事,都跟某些请示神谕,寻求答案有关

耶鲁公开课 - 古希腊历史简介课程节选