that

繁体 traditional:
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语法 grammar: 代词 Pronoun
笔记 notes: Also classified as a determiner. The use of this character as a demonstrative pronoun began in vernacular texts from the Tang (Norman 1988, p. 119; Unihan '那').
概念 concept: 指示代词 Demonstrative Pronoun
上概念 parent concept: 虚词 (Function Words)
话题 topic: 现代汉语 (Modern Chinese)

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