The president's message to students was simple: study hard,pay attention in class and embrace the opportunity to learn.

VOA: standard.2009.09.08

Now you do have an opportunity-- this class does- that my class has never had before, and that is to nominate your own novel for the last one that we read, one of your choice.

现在你真的有了个机会-,在我的课上有了个机会-,去推荐一本小说作为我们的最后一本读物,你们自己的选择。

耶鲁公开课 - 1945年后的美国小说课程节选

As I mentioned, we'll rotate the teaching fellows through different parts of the alphabet, so every teaching fellow will have equal opportunity to grade work from each person in the class.

如我所说,我们会根据字母顺序,来更换助教,因此,每一位助教都有相同的机会,为班上每个人的作业评分

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

The reason why I do put them up is so that you have the opportunity if you want to see it again or if you have to miss a class.

我之所以把资料放在网上是为了,让你们可以重温或者学习错过的课程。

哈佛公开课 - 幸福课课程节选