What you might have expected would be the children would then use whatever system their adults use, but they don't.

你可能会认为儿童会使用,成人所使用的语言系统,但事实并非如此

耶鲁公开课 - 心理学导论课程节选

And you might expect it that they would come to speak a pidgin, but they don't.

你可能会以为他们也将学会这种混杂语言,但事实并非如此

耶鲁公开课 - 心理学导论课程节选

Not everything comes natural to us but Darwin suggests that language does.

我们的一切并非都是天生的,但达尔文却认为,语言是与生俱来的

耶鲁公开课 - 心理学导论课程节选