He said he had no doubt that it will be a great World Cup and there will be no problem with security.

VOA: standard.2010.02.10

But remember that you do have recitation on Tuesday, so that could be very helpful with the problem-set, so be sure to go to recitation on Tuesday, and have a great long weekend.

记住，周二有习题课，这对做课后题很有帮助，所以周二一定要来上习题课，周末愉快！

麻省理工公开课 - 化学原理课程节选

But the problem of one's being called to be a great poet is that one may have an inkling or some sense of a promise of future greatness but nothing really to show for it yet.

但是一个人被召唤去变成伟大诗人的问题在于,他可能会有一丝感觉他将来必定是伟大的,但还没有什么能够真正表明这一切。

耶鲁公开课 - 弥尔顿课程节选

"To talk about this policy and how we can have success, instead of having a buildup of 51,000 to 100,000 and then we have got the same problem that other great nations have had in Afghanistan.

VOA: standard.2009.03.17

Right. So this is a great way of like fulfilling the requirements of the problem step but not quite the spirit of using a condition.

好的，这是很好地满足了,解决问题的需求,但是没有使用条件。

哈佛公开课 - 计算机科学课程节选

Not so easy to see. All right, but this is actually a great one of those educational moments. This is a great example to think recursively. If I wanted to think about this problem recursively- what do I mean by thinking recursively?

看不太出来，好，但实际上是一个有教育意义的时刻,这是一个很好的关于递归的例子,如果我用递归的思想,去考虑这个问题-,我该怎么用递归去解决这个问题呢？

麻省理工公开课 - 计算机科学及编程导论课程节选

There's great inequality among the elderly and that's a problem.

老年人间存在巨大的不平等,这是一个问题。

耶鲁公开课 - 金融市场课程节选