As much as I might talk on stage twice a week it turns out that it's really by doing and really by diving in and getting your hands dirty that you really take away the course's lessons.

我一周上两次课,就算说得再多，也不如你们亲自动手,通过真正的深入研究,才能学到知识。

哈佛公开课 - 计算机科学课程节选

You're not going to need to know a lot about this for this course, but this is--I wanted to get the basic ideas down.

对于本门课程来说,你不必,对刚才讲的概率的知识有很深入的了解,我只想介绍一些概率论的基本概念

耶鲁公开课 - 金融市场课程节选

As she goes further and further in to her search for knowledge-- - and finally her abandonment of that search of knowledge-- she sees more and more that this is not just pattern, that it's these storm systems of suffering and need.

在她逐渐深入的求知过程-,和她最后放弃了对知识的寻找-,她越来越明白这不是模式，而是苦难而又需要的风暴系统。

耶鲁公开课 - 1945年后的美国小说课程节选