英语语法分析

As for pets, sheepdogs are the best.

要说宠物嘛，牧狗最好。

Words, he suggested, are "like sheepdogs herding ideas."

他说：语言，就像牧羊犬收拢思维一样。

There are three types of people in this world: sheep, wolves, and sheepdogs.

在影片的一开始就提出了一个哲学命题：羊、狼以及牧羊犬。