rationalism      
noun [ U ]  science, social science uk/ˈræʃ.ən.əl.ɪ.zəm/ us/ˈræʃ.ən.əl.ɪ.zəm/
 理性主义,唯理主义,理性至上
the belief or principle that actions and opinions should be based on reason rather than on emotion or religion
 
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