The United States must lead the way. But our best chance to solve these unprecedented problems comes from acting in concert with other nations,".

VOA: standard.2009.04.11

But these were not problems brought on by the Romans, these were local problems, and part of it was precisely because the Jews had been recognized by the Romans as having a special status in some places, and this caused some kind of local resentment.

但这些问题都不是罗马人引起的，都是当地问题，部分原因是犹太人被罗马人认可,在某些地方拥有特殊地位，引起了当地人的仇视。

耶鲁公开课 - 新约课程节选

So let's not put him only on the spot; there's a whole bunch of us in this room and we can actually apply this same idea not to these phone books but actually to other real world problems, there's a whole bunch of people in this room.

所以我们不要只让他一个人体验,教室里还有一大帮人,其实这种方法不仅可以用来查找电话簿,还可以应用到现实生活当中,教室里有这么多人。

哈佛公开课 - 计算机科学课程节选

But security and stability have made it possible to begin addressing these problems.

VOA: standard.2009.08.27

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

Doctors rarely see these conditions. But studies have linked vitamin D deficiency to a number of serious health problems, including heart disease, several types of cancer, osteoporosis,diabetes, Alzheimer's disease and some autoimmune disorders.

VOA: standard.2010.05.28

I don't know these things personally, but it's my understanding that the whole structure is suffering some moral hazard problems and that they're evolving and trying to improve the institutions.

我没有亲身考察过，但我的理解是,这整个体系遭遇着道德风险的挑战,并且人们不断改进,尝试着改善机制。

耶鲁公开课 - 金融市场课程节选

"And so we're going to be dealing with these short-term problems, but we also have to keep our eye on the horizon and recognize that it's that long-term issue that has to be focused on."

VOA: standard.2010.06.10

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