And,for people that have no written history, language can be one of the ways that that history can be gotten at just by looking carefully at the different layers in the language."

VOA: special.2009.12.02

But through the course of human history, nobody has ever encountered another group of humans that did not have a language.

但在人类历史的进程中,还没有人曾经遇到过,没有语言的人类族群

耶鲁公开课 - 心理学导论课程节选

But through the course of human history, nobody has ever encountered another group of humans that did not have a language.

但在人类历史的进程中,还没有人曾经遇到过,没有语言的人类族群

耶鲁公开课 - 心理学导论课程节选