The traditional methods and theories are based on Structuralism and historical comparative linguistics.
传统理论和方法是结构主义语言学和历史比较语言学。
Comparative linguistics is a branch of historical linguistics that aims to study the relationships or correspondences between two or more languages and especially the differences they have.
对比语言学是语言学的一个分支，其任务是对两种或两种以上的语言进行共时对比研究，描述它们之间的异同，特别是其中的不同之处。
Comparative linguistics is a branch of historical linguistics that aims to study the relationships or correspondences between two or more languages and especially the differences they have.
对比语言学是语言学的一个分支，其任务是对两种或两种以上的语言进行共时对比研究，描述它们之间的异同，特别是其中的不同之处。
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