We have no problem whatsoever with any country arguing about the numbers."

VOA: standard.2010.08.03

If there's any problem with his appearing, I will email you.

如果他来不了我会以电子邮件通知

耶鲁公开课 - 金融市场课程节选

Sure. Is there any problem with your car?

当然可以，你的车怎么了？

Is it okay 实战 - SpeakingMax英语口语达人

Well, realize one of the themes in this course and really one of the themes in programming and solving any problem with a machine is going to be really to just take small bites one at a time out of these problems until the end result ultimately is that you've actually bitten off a fairly large fairly interesting problem and in the aggregate, you've actually implemented something pretty sophisticated.

好吧，让我们先想一下这件事带给我们的主题,编程和解决问题的思想,一台机器最开始只会一步一个脚印,沿着要解决的问题向前迈进,直到最终的结果出来,最后你会发现，你已经解决了一个相当大,相当有趣的问题，而这个问题在最初看起来确是相当复杂的。

哈佛公开课 - 计算机科学课程节选

Part of the problem with using operant conditioning with babies is it's difficult to get them to behave in any systematic way.

应用操作性条件作用的部分问题在于,很难使婴儿们按照系统的方式行动

耶鲁公开课 - 心理学导论课程节选