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

These are linguistic terms. But of course, the people who spoke them, especially in the early years, tended to be part of a relatively narrow collection of people, who intermarried with each other chiefly, and therefore developed common cultural characteristics.

这时的希腊语主要是一些语意项,不过当然,那些讲希腊语的人,特别是在早期,是一个相对小范围的人群,他们主要在族群内部通婚,由此,发展出相近的文化特征

耶鲁公开课 - 古希腊历史简介课程节选