lib, 找 ref, 现在可以用 Ethnologue
- 6000 种语言
- what makes language distinct from one another turns out to be much more a social and political issue than a linguistic one
"A language is a dialect with an army and a navy." -Max Weinreich
- 不能通过 mutual intelligibility 区分语言是因为识别是主观的，且存在 dialect continua
To illustrate, suppose you were to start from Berlin and walk to Amsterdam, covering about ten miles every day. You can be sure that the people who provided your breakfast each morning could understand (and be understood by) the people who served you supper that evening. Nonetheless, the German speakers at the beginning of your trip and the Dutch speakers at its end would have much more trouble, and certainly think of themselves as speaking two quite distinct (if related) languages.
- FOXP2 基因被认为的人类进化获得语言能力有关
Human language 跟 animal 的区别
- discrete infinity
- joint attention
important for language
- native speaker
- can speak about basically everything
- carried and recognized by a more or less well-defined group of human beings as their language
In what respect are bats and seals linguistically similar to humans?
- produce new sounds