叶子飞扬
提高经济效益Improve economic efficiencyefficiency的意思、解释n.1. 效率；效能；功效；实力；效益2. 提高功效的方法3. 功率efficiency的用法例句1. No one can match up to Comrade Wang in efficiency and vigour.有效率和干劲方面没有人比得上王同志。2. Styled with distinctively rounded edges so as to reduce wind drag and thereby increase fuel efficiency. Used especially of automobiles and vans.流线型的具有独特圆边款式以减少风阻从而提高燃料效率的，用以特指汽车或轻型汽车的款式
