Throughout history, the language spoken by a powerful group spreads across a civilization.

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