motivations

基本解释

• 动因

同根派生

英汉例句

• Needs and interests are the motivations that induce society to develop.
  需要和利益是社会发展的动因。
• The motivations for grammaticalization are studied and an interpretation for its cognitive and pragmatic motivations is given.
  从隐喻等认知因素和经济原则等语用因素入手，对语法化的动因进行阐释。