For the study of Chinese metadiscourse, its definition and classification are the fundamental problems.

要研究汉语元话语，其界定和分类是个基础问题。

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Those problems are pretty common, such as patent classification.

这种大规模问题经常会遇到，比如专利分类。

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Those problems are pretty common, such as patent classification.

这种大规模问题经常会遇到，比如专利分类。

youdao