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

Imagine a virus, for instance, that captured an animal's brain and then modified the animal's brain such that the animal would run out and bite other animals so as to pass on the virus.

想象一个病毒，例如，控制动物大脑，然后修改大脑,这个动物会跑出去咬其他动物,以传播病毒。

耶鲁公开课 - 心理学导论课程节选