基本解釋動因同根派生 motivations相關(guān)詞英漢例句Needs and interests are the motivations that induce society to develop.需要和利益是社會發(fā)展的動因。The motivations for grammaticalization are studied and an interpretation for its cognitive and pragmatic motivations is given.從隱喻等認(rèn)知因素和經(jīng)濟原則等語用因素入手，對語法化的動因進行闡釋。motivations更多例句