开卷有益 (開卷有益) kāi juǎn yǒuyì

kāi juǎn yǒuyì set phrase opening a book is profitable
Domain: Idiom 成语 , Subdomain: , Concept:
Notes: Figuratively, the benefits of education (CC-CEDICT '開卷有益'; Guoyu '開卷有益')

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