百家争鸣 (百家爭鳴) bǎi jiā zhēng míng

bǎi jiā zhēng míng phrase let a hundred schools of thought contend
Domain: History 历史 , Subdomain: China
Notes: Refers to the classical philosophic schools of the Spring and Autumn and Warring States periods (CC-CEDICT '百家爭鳴'; Guoyu '百家爭鳴')

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百花齐放,百家争鸣