So, among the lessons you'll hopefully exist this course with is not just how to make something correct.

通过这些经验教训，我希望你们在这个课程中,不仅仅是知道怎样去把事情做对。

哈佛公开课 - 计算机科学课程节选

But this is things we've learned as the years have gone past.

这是我们经过很多年经验教训积累才学到的。

麻省理工公开课 - 化学原理课程节选

Let's draw out some lessons from this.

让我们从中总结点经验教训

耶鲁公开课 - 博弈论课程节选