EPA Administrator Lisa Jackson says the problem of cookstove pollution is really an issue of poverty.

VOA: special.2010.09.27

Certainly the goalie staying put is an issue, as I said we'll deal with that in the problem set, but there's another issue here.

门将守在中路的确是个问题,我们会在习题集中研究它,但除此之外还有一个问题

耶鲁公开课 - 博弈论课程节选

In many ways for Aristotle as it is for every student of politics the most serious the most difficult issue one confronts is the problem of faction.

从很多方面看来，无论是对亚里士多德,还是每位政治系的同学而言,最令人最感严肃,与严重的问题,是派系的问题。

耶鲁公开课 - 政治哲学导论课程节选

There is a problem in a neighborhood like the Balkans, they have always had an issue with trying to express a strong identity and they are still just emerging."

VOA: standard.2009.03.22

That's a good point, of course, I've abstracted from that here, and in fact, we'll come back, I think, I'll try and put that onto a problem set, but I think you're right, it is an issue here.

当然了,那也是个不错的选择,我把这一点从模型中给抽离了,实际上我们一会会回来讨论,我准备把这一点作为习题集留给大家,你说的很对,这也是一个关键问题

耶鲁公开课 - 博弈论课程节选

It's still--they can make losses for a long time before they're in trouble, so presumably there won't be a problem, but in principle there could be and so that's the kind of issue that we have now.

在陷入困境之前的很长一段时间内,他们可以承受亏损,也可以假设不会有任何问题发生,但是原则上讲是有可能会出问题的,这就是我们面临的现状

耶鲁公开课 - 金融市场课程节选