Some drugs can be a problem because they suppress the immune system.

VOA: special.2009.04.14

It can be a problem. And you're right that in the lottery or in the casinos

沉迷彩票确实是个问题。无论是彩票，还是赌博，

沉迷于彩票的人们 - SpeakingMax英语口语达人

So that way you can have an idea if, oh, I do really understand this but I'm a little bit slow, maybe I need to practice this one type of problem a little bit longer so I can get up to speed so I'm going to be able to get through all this in terms of the exam time.

这样你就可以知道，假设，噢，我真的懂这个，但是我的速度有点慢，或许我需要在练习这个类型的题目上,多花一点时间,这样我就可以提高自己的速度,可以全部做完,在考试规定的时间内。

麻省理工公开课 - 化学原理课程节选

But for people who have a difficult time controlling their movements, this little navigational issue can be a really big problem.

VOA: special.2011.04.18

So is this a problem that can be fixed with the accounting profession, the accounting process or something we just have to live with?

那么，这个是可以通过修正,会计职业，会计程序来解决的呢,还是只能就这样了？

斯坦福公开课 - 经济学课程节选

He said it is a serious international problem that should be addressed broadly and can not be solved entirely by military means.

VOA: standard.2009.04.13

What we have--we have a problem that there can be a systemic problem to fractional reserve banking if there is ever a run on the banking system.

我们面临着一个问题,如果出现银行挤兑,部分准备金制度会,导致系统性的问题

耶鲁公开课 - 金融市场课程节选

Delegates here say climate change is a global problem and can only be solved globally.

VOA: standard.2009.08.31

Another side effect if you take too much lithium is death, so that's no good to have in sodas either, and it might not have been as big a deal back in the 1920's, but you can imagine with supersizing today, this might be a bigger problem.

另一个副作用是因为摄入锂过量而死，这更说明在汽水里放这种东西是不好的，这在二十世纪二十年代可能没什么大问题，但你可以想象在如今这个什么都超标的时代，这也许会出更大的问题。

麻省理工公开课 - 化学原理课程节选

According to Ben Urbonas, president of the Urban Watersheds Research Institute, these nutrient contaminants tend to be more of a problem in closed water systems,like lakes, where concentrations can build up.

VOA: standard.2010.08.04

You can take a problem that might be relatively intuitive to solve but when you scale this thing up as is increasingly the case in the web, in large data systems, and so forth, you actually have to now think smart, you actually have to think efficiently and you have to solve this problem effectively.

你可以把一个问题用比较直观的方法解决,但如果你把此类问题的数量增大,正如越来越多的互联网，和大规模数据系统中出现的问题等等,你应该考虑怎样才能更简便，怎样才能更高效,你应该用行之有效的方法处理问题。

哈佛公开课 - 计算机科学课程节选

Okay. So how can accuracy be a problem?

准确度何以作为一个问题呢

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Typically up till now, we've looked at things that can be done in sublinear time. Or, at worst, polynomial time. We'll now look at a problem that does not fall into that. And we'll start with what's called the continuous knapsack problem.

至今为止我们已经处理过,亚线性问题，最多也就是多项式问题,我们现在要看的问题则是不能用这些解决的,我们将要开始讲连续背包问题。

麻省理工公开课 - 计算机科学及编程导论课程节选

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

That in many cases, I can gain efficiency if I'm willing to give up space. Having said that though, there may still be a problem, or there ought to be a problem that may be bugging you slightly, which is how do I guarantee that my hash function takes any input into exactly one spot in the storage space?

普遍存在的增益和权衡,在许多的例子中,可以通过牺牲空间而得到效率方面的增加,话说回来，仍然存在一个问题,或者应该会有一个问题困扰着你,就是我如何保证我的哈希函数能够准确将,任一输入映射到相应的唯一的存贮空间中去？

麻省理工公开课 - 计算机科学及编程导论课程节选