一起大笑，这就是爱的本质。

The ability to laugh together is the essence of love.

youdao

父母的爱的本质，在中国的母亲和父亲也不例外子女。

Parents love their children by nature, where Chinese mothers and fathers are no exceptions.

youdao

没有人知道爱的本质是什么，它就像天堂里的鸟，发出我们从未听过的叫声。

No one understands the nature of love; it is like a bird of heaven that sings a strange language.

youdao

So a mother cat doesn't have to know anything about the natural of love.

所以猫妈妈不需要知道,关于爱的本质的知识。

麻省理工公开课 - 电影哲学课程节选