So, what I want to do is, I want to discuss the scientific notion of language, at first restricting myself to systems like English and Dutch and American sign language and Navajo and so on.

因此,我想做的是,我想来谈谈语言的科学定义,首先我会将自己限定在,诸如英语,荷兰语,美国手语,或迪瓦霍语等语言系统之下

耶鲁公开课 - 心理学导论课程节选