来自《耶鲁大学开放课程：心理学导论 第6集 第6集》
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that to some extent从某种程度上来说 -
the ability to use and understand and learn language语言的使用 理解以及学习能力 -
is part of human nature.是人类本性的一部分 -
It doesn't require an extensive cultural history.它无需深远的文化史 -
Rather, just about any normal child,甚至 任何一个普通的小孩 -
even when not exposed to a full-fledged language,即使并未接触过成熟的语言环境 -
can create a language.也可以创造语言 -
And more recently, there's been case studies of children而近期更有些关于儿童学习手语的 -
who acquire sign language.个案研究 -
There's a wonderful case研究者在尼加拉瓜曾做过 -
in Nicaragua in sign language一个精彩的手语个案研究 -
where they acquire sign language from adults儿童们从本身并不熟悉手语的成年人那里