So we could ask, in this narrow sense, what properties do languages have and then go on to ask, in a broader sense, what other communicative systems also possess those properties.

我们可以发问,从狭义上说,语言拥有何种特性,然后我们可以接着发问,从广义上说,哪些其他的交流系统也同样拥有那些特性

耶鲁公开课 - 心理学导论课程节选

Once we've made some generalizations about language in this narrow sense, we could then ask, and we will ask, to what extent do other systems such as animal communication systems relate to this narrower definition.

一旦我们在狭义上,得出了某些关于语言的概论,那我们就可以发问,诸如动物交流系统之类的其他系统,会在多大程度上,符合这个狭隘的定义呢

耶鲁公开课 - 心理学导论课程节选