不可或缺 bù kě huò quē

bù kě huò quē set phrase necessary; must have
Domain: Idiom 成语 , Subdomain: , Concept:
Notes: (CC-CEDICT '不可或缺'; CCI '不可或缺', p. 121; Guoyu '不可或缺')

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Truncated for common words

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