There has to be some significant reform of the system,". The budget problems are not unique to Miami.

VOA: standard.2009.05.22

So there are some problems here.

就这样，问题出现了。

麻省理工公开课 - 固态化学导论课程节选

There were problems with Jenner's approach, and you can imagine what some of those problems are.

詹纳的方法中存在一些问题,你们想想问题出在哪

耶鲁公开课 - 生物医学工程探索课程节选

And so while there are signs that some of the things that the president is doing are starting to have effect, these problems did not get made overnight.

VOA: standard.2009.03.15

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

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

It's very important and it has some important financial there are a lot of financial institutions built around dealing with the fundamental problems of real estate.

这一点非常重要,一些重要的金融...,很多金融机构就是为解决,房地产行业的基本需求而设立的

耶鲁公开课 - 金融市场课程节选

Now, there are some tricky problems in the book.

咱们书上有些题目会有陷阱

耶鲁公开课 - 基础物理课程节选