Well a number of you have spent this past week playing with this particular tool which is a project the course has been working on for some time in an effort to make it easier and more social to actually shop for courses.

在过去的一周里,已经有一部分人开始使用这种特殊的工具了,这门课程一直在致力于这一工具的开发,目的是为了让课程变的更简单,选课更人性化。

哈佛公开课 - 计算机科学课程节选

I don't know whether it's easier for gentlemen or not because our voices are sort of in the bass, but maybe this is payback time since ladies are always singing the melody.

我不知道是否男人更容易唱出低声部，因为我们的嗓音本来就低，不过这也可能是女士们报复的时间到了，她们总是得唱旋律。

耶鲁公开课 - 聆听音乐课程节选