It's deliberate that a lot of the examples in lecture are fairly short and bite-size so that you can actually focus on pulling out the key ideas without getting distracted by line and lines of code.

很多的演讲中的例子,是短小的,因此你们可以集中于提取其中的主要思想,而不是被一行行的代码给分心。

哈佛公开课 - 计算机科学课程节选

What are the key ideas and the key themes of the Priestly material?

祭司相关内容的主要观点和主题是什么？

耶鲁公开课 - 旧约导论课程节选

Now this is the point at which we need to say something about a number of key terms that Derrida uses to sustain this sort of criticism of traditional ideas of language.

所以现在我们需要说一些,德里达的关键词,这些关键词用来维持对语言的传统想法的批评。

耶鲁公开课 - 文学理论导论课程节选

According to Levenson, the use of a suzerainty treaty as a model for Israel's relationship to Yahweh, expresses several key ideas. It captures several key ideas.

根据Levenson的观点，领主契约用作于一个,犹太人和耶和华之间关系的范例，表达几个重要的观点。

耶鲁公开课 - 旧约导论课程节选