"I think the most important thing we can politically is to force the leaders to take seriously the problems we are facing."

VOA: standard.2009.12.06

Therefore, we have the chance to innovate and to solve those problems. So, I think there are hopes for that.

因此，我们有机会进行创新来解决这些问题,那就是希望之所在。

斯坦福公开课 - 百度CEO李彦宏演讲：全球最大搜索引擎的发展课程节选

It's not like she's without any problems, and I'm sure all those other girls are too.

不是说她没有问题了，而我敢确定其他的女孩子们也有。

名牌效应 - SpeakingMax英语口语达人

"I believe that what we are doing is very pro-market. We are dealing with some problems that the market faces today, and we are talking about putting in place in the future things that will help the market work better,"

VOA: standard.2009.03.10

I mention this tax example because I want to stress that framing and psychological barriers are important problems for creating financial markets.

我之所以提到这个例子,是因为我想强调,心理框架和心理障碍对于,建立金融市场的重要性。

耶鲁公开课 - 金融市场课程节选

"Over the last few months, there have been a number of training centers open that are exclusively for members of both the Afghan National Army and the Afghan national police force, and I would say that drug usage and illiteracy are two of the big problems within the security forces that NATO has really made a big priority now.

VOA: standard.2010.06.23

I actually do get worked up over these things because it drives me nuts because these are not hard problems to solve and yet consistently throughout society and your own laptops there are dozens of examples I'm sure of poorly designed software.

我确实对这些东西很生气,因为它令我发狂,因为这不是很难解决的难题,然而贯穿整个社会,在你自己的笔记本上，我确信有很多这样,设计地很挫的软件的例子。

哈佛公开课 - 计算机科学课程节选

I assume that those problems are not that difficult and I've given you a lot of practice.

我知道这些题目没那么难,我已经让你们练过不少次了

耶鲁公开课 - 基础物理课程节选

Nonetheless, I want to stress that none of these problems sets are intended to be lethal.

尽管如此，我想强调一下,没有一个问题的提出,是要命的。

麻省理工公开课 - 计算机科学及编程导论课程节选

So one of my purposes of this course is to get you, whether you study Biomedical Engineering after this or not, excited about the subject so that you start thinking about how you could innovate in this area where lots of problems are still left to solve, so I'll see you on Thursday hopefully.

我这门课的目的之一就在于,无论你们继续学习生物医学工程与否,我想激发你们对这门课的兴趣,思考在这个仍旧存在诸多问题的领域中,你们能做出什么样的创新,希望在周四的课程中再见

耶鲁公开课 - 生物医学工程探索课程节选

Some of the challenges that you see here I mentioned before, so there are problems with drought, with pests, with temperature changes and the like.

我之前提到的,你们所见的这些挑战,如干旱问题,虫害问题以及温度变化之类的

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But what are these problems that I'm referring to?

但我现在谈论到的是哪些问题？

耶鲁公开课 - 政治哲学导论课程节选