And so when you can find an artifact that very comfortably dates the site to the appropriate period, that's exciting for an archeologist."

VOA: special.2011.07.26

And when that becomes relevant in a problem set, we'll point you at the appropriate documentation.

在习题集中如果你们遇到相关的问题，我们会提供适当的文档资料。

哈佛公开课 - 计算机科学课程节选

When, if ever, is suicide an appropriate, ? rational or moral response to one's situation?

什么时候，如果有的话，自杀是合适的，合理的或道德的回应呢？

耶鲁公开课 - 死亡课程节选

And part of it is we want you to learn how to have a catalog, if you like, of different classes of algorithms, so that when you get a problem, you try and map it into an appropriate class, and use the leverage, if you like, of that class of algorithms.

另外我希望你们能学会,如何制作一个关于，算法不同课程的目录，这样当你碰到问题的时候，你可以去找到合适的课程，然后在那门课程中，寻找解决方法。

麻省理工公开课 - 计算机科学及编程导论课程节选