# 語言有兩個生命。在公眾的場合裡,它是一系列由語言群體約定俗成的習慣,為的是讓群體可以有效溝通。不過,語言還有另一個私密的生命,是每一位使用者自行內化到腦裡的知識系統。——《換了語言,就換了腦袋》
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