economy run汽车节油行驶竞赛
economyn.经济;节约adj.经济的;廉价的
economy in hygiene卫生经济
economy growth pole经济增长极
economy of the West西部经济
Economy urge factor经济驱动因素
economy of regional区域经济
economy dcvelopment经济发展
economy feasibility经济可行性
economy growth rate经济增长率
economy mathematics经济数学
economy differences经济差异