Pope Benedict has said the Catholic Church teaching of abstinence and fidelity is the only way to combat the AIDS problem.

VOA: standard.2009.03.29

The six problem sets are due generally on Mondays and we'll go over the problem sets in the teaching sections, several days after you turn them in.

这六道习题通常应该在周一前完成,你们交上来之后,我们将在我的课上,讨论这几道习题

耶鲁公开课 - 金融市场课程节选

In problem set 5, last year I took a stroll around campus with one of the teaching fellows with his digital camera, we shot photographs of identifiable but non-obvious spots on campus and then like an idiot I always seem to erase my compact flashcard accidentally.

在习题集5中,去年我和另一位老师一起带着数码相机在校园里闲逛，我们在校园里没有目的地乱拍,像一个傻瓜一样,我一不小心清空了,我的便携闪存卡。

哈佛公开课 - 计算机科学课程节选

When I started to teach after hearing about Marva Collins and deciding teaching is my calling, I knew that I had to deal with the problem-- the problem is that I am introvert, I get very nervous in front of audiences and large audiences for me is anything but five.

当我听说Marva，Collins的事迹,并决定以教书为终身职业时，我知道必须克服一个问题-,那就是我个性内性，站在听众前面我会很紧张，对我来说,超过五个人就算众多听众。

哈佛公开课 - 幸福课课程节选