"In each country, what we have to recognize is that the recovery is still fragile, that we still have more work to do to make this recovery durable."

VOA: standard.2010.06.27

Do you have available to you what we call the hacker editions in more details on those in the courses syllabus?

你是否有黑客版套题,比教学大纲上的版本更详细？

哈佛公开课 - 计算机科学课程节选

Let's talk sort of at a more tactical level, about what do we want you to know in this course.

我们来讲一些策略层面上的目标，关于我们希望你们从课程中学到什么。

麻省理工公开课 - 计算机科学及编程导论课程节选

So, if we want to get more magnesium into the marketplace at an affordable price, not by government edict, what do we have to do?

所以如果我们想把更多的镁,投诸市场，并让它保持在一个不太昂贵的价格，而且不靠政府法令，我们应该怎样做？

麻省理工公开课 - 固态化学导论课程节选

So, basically what he's saying here is we pretty much understand what's going on there's nothing new to really discover, all we need to do is measure things more precisely.

他的意思也就是说,我们对世界上的所有事情,都很了解了，没有什么新的东西尚待发现的,我们剩下要做的就是。

麻省理工公开课 - 化学原理课程节选

So the first question is, how do we understand the slippage here and more generally, what could poetry possibly have to do with virginity?

所以第一个问题是，我们怎么理解,更普遍来说，诗歌怎么能和童贞有关联？

耶鲁公开课 - 弥尔顿课程节选

Alright, so maybe a little underwhelming and we saw already what this program is going to do but let's just go through this process once before we start doing more interesting things and then we'll come back and at least give you a hint of what some of these syntactic details are doing.

好吧，这个程序也许太平庸了，让人印象不够深刻,我们也知道这个程序是干嘛的,在我们开始更有意思的事情之前,让我们再来讨论一下整个过程后再回来,这些语法细节到底是在做什么呢？,先给你们一点小小的提示。

哈佛公开课 - 计算机科学课程节选

Fifty-two of you so far, so what we need are more people to get clickers, because some of these polls will be interesting to do.

目前为止有五十二个人,我需要更多的人能有个表决器,因为这样的投票会很有意思

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

So what we have to do, of course, is take it in to the lab and do this in a more systematic way with random assignment.

因此，我们必须做的是，把实验带回实验室,在随机安排下，更系统地做这个实验。

耶鲁公开课 - 心理学导论课程节选

We make software; we make technology; we're innovative ,but so are they So, what we really have to do is become a lot more productive and we have to make our companies a lot more competitive. Today, I feel we're losing that edge.

我们生产软件；发展工业技术;,我们有创新能力，但他们也有,所以，我们现在必须要做的就是提高生产效率,我们必须提高我国公司的竞争力,现在，我觉得在这方面我们正在丧失竞争优势。

耶鲁公开课 - 金融市场课程节选

The other thing that I want to do today is try to tie this discussion on vaccines a little bit more closely with what we talked about last week, in terms of what happens inside your body when you receive a vaccine or when you're exposed to an antigen, and how the immune system actually responds to that.

还有就是,我希望可以,把今天关于疫苗的讨论,与我们上周讲过的内容,结合得更紧密一些,当接种疫苗,或者是接触抗原时,人体将会发生怎样的变化,以及免疫系统对疫苗产生何种应答

耶鲁公开课 - 生物医学工程探索课程节选

And I want to spend a couple of minutes again reinforcing that. So if we look at that code and we were little more careful about this, what did we say to do? We said look an sorry.

内容了，我还要花几分钟,来强化下，所以,如果我们再仔细些看下代码，我们应该关注些什么？

麻省理工公开课 - 计算机科学及编程导论课程节选

Do we offer what we dub packer editions of problem sets which extensively cover the same material but with a more technical sophistication, with more detail, and these are simply options that students in this course can elect as per the syllabus.

我们提供涵盖同样内容,但具有更多技术性细节的,我们称之为习题包，其中有更详细的信息,这些只是按照教学大纲的要求让同学们可以自主选择。

哈佛公开课 - 计算机科学课程节选

Well, what more can we do with some of these fundamentals?

我们还能用这些基础知识做什么呢？

哈佛公开课 - 计算机科学课程节选

The other thing I want to let you know is that instead of having a new problem-set that you'll be assigned this Friday, what we'll do instead is we'll give you some practice problems, and these will be just more of the same type of problems that you saw before but that's another chance to try them out more.

另外一件我想要告诉大家的是,这周五将不会像往常一样,给大家布置新的作业,而是给你们一些练习题，这些题目只是另一些跟原来同样类型的习题,你们应该都已经见过类似的,但这是尝试再次解决这类题目的机会。

麻省理工公开课 - 化学原理课程节选

But because we're now programming a computer at a lower level and because as we said last week, you really have to be precise and then careful to instruct this machine, this fairly dumb machine that will only do what you tell it to do very specific instructions, do we have to use a more precise syntax than just a puzzle piece might have previously allowed.

但是我们是要在电脑的低平台上编程不是吗？,那我们就要像我上周提到过的那样，一定要小心，小心，再小心地,操纵这台又聋又哑的机器,它只会根据你敲进去的,特定指令来做事，所以我们必须使用非常精细的语法,而不是模模糊糊，让人费解的概念。

哈佛公开课 - 计算机科学课程节选

But it turns out that with this language we glimpsed on Wednesday, you can do the step so much more easily and yet the ideas are identical to what we're gonna explore at a lower level in the weeks to come.

实际上，通过在周三,学习的Scratch语言，你可以更容易地做这步,思路和今后几个星期,我们将探讨的是相同的。

哈佛公开课 - 计算机科学课程节选

Well, let's do the smoke test number one: is the mean more or less what we expected?

好了，让我们先做1号发烟测试：,这个平均值是和我们想要的答案差不多吗？

麻省理工公开课 - 计算机科学及编程导论课程节选