She says these sculptures comment on problems in society such as drug use and smoking.

VOA: special.2010.07.09

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 in sections where you have the opportunity to work in smaller environments with one of the teaching fellows, in office hours we have an opportunity to work one on one, hands-on in the computer lab or else we're on campus and really get personalized attention when it comes to diving into these problems.

因此在分组后,你们有机会与教员们一起在小房间里工作，在上机时间内我们有机会一对一授课，在实验室内亲身实践,不然的话我们在校园里探讨问题,会被很多人围观的。

哈佛公开课 - 计算机科学课程节选

These political problems would have a great effect on the next presidential election.

VOA: special.2010.06.24

The strategy then often is to figure out how, what sort of program can solve these problems and then we go on to ask, "How could this program be instantiated in the physical brain?"

心理学家们通常要先弄清,什么样的程序可以解决这些问题,然后我们会接着问到,"这个程序在我们的生理大脑中,是如何进行编译的"

耶鲁公开课 - 心理学导论课程节选

"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

And in terms of using these equations in solving problems on the exam, and also using these constants, make sure if you think there might be any chance you're going to get any little part of a problem wrong or do a calculation inaccurately, you need to write out every single step of your thinking as you write out these problems.

而当你在考试过程中用这些公式,来解题时，加上运用这些常数，如果你觉得有可能,在某一小问上出错,或者出现计算错误，请务必把你的思路一步一步地都写出来,当你在答题的时候。

麻省理工公开课 - 化学原理课程节选