de     possessive particle

繁体 traditional:
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语法 grammar: 助词 Particle
笔记 notes: In this use 的 indicates the the item following belongs to the item preceding. It is required in most cases where a possessive relationship is intended (Ho, 2002, '的' 1). For example, 政府的工作 'the government's work' (Xinhua Net, 2015-12-23). 的 is the most frequent word in the Beijing Language Institute's 1985 frequency wordlist (Ho, 2002, '的').
概念 concept: 结构助词 Structural Particle
上概念 parent concept: 虚词 (Function Words)
话题 topic: 现代汉语 (Modern Chinese)

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