句中译英(不要机器)

近年来,中小企业在我国经济中扮演着重要的角色,作为最活跃的经济细胞,In recent years,small and medium enterprises play an important role in the economy of our nation and has become a branch of the most active economic composition.
我国中小企业在优化产业结构,增加就业和社会稳定,增加出口和税收等方面起着举足轻重的作用.
The small and medium enterprises are proved to be decisive in optimizing industry structure,increasing chances of employment,stablizing the society and raising exports and taxation.