基本解释[经济学]经济扩张动力英汉例句双语例句Such land tenure arrangements take away much of the economic incentive for output expansion and productivity improvement.这种土地占有制度丧失了增加产量和提高劳动生产率的大量的经济动力刺激物。economic expansion incentive更多例句专业释义经济学经济扩张动力