APP (尤指毫无实际意义的)纯理论问题/Some theoreticians areonly interested in academicquestions without ever think-ing about putting them inpractice.一些理论学家只对纯理论问题感兴趣,从未考虑将理论问题用于实践。......（本文共 160 字） [阅读本文] >>
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(尤指毫无实际意义的)纯理论问题/Some theoreticians areonly interested in academicquestions without ever think-ing about putting them inpractice.一些理论学家只对纯理论问题感兴趣,从未考虑将理论问题用于实践。......（本文共 160 字） [阅读本文] >>
