长期以来,在分析与评价对经济增长的贡献时,往往把净出口(出口—进口)作为“三驾马车”之一,关注的焦点主要聚集在出口和贸易顺差上,“高出低进”也成为多年来对外贸易运行的主要特征。而进口对经济发展所发挥的作用还未能引起人们足够的关注,进口曾被视为经济增长和国内产业发展的减量或消极因素而长期受到抑制,其对经济的促进和带动作用也被人们 For a long time, net export (export-import) was often regarded as one of the “troikas” in the analysis and evaluation of its contribution to economic growth. The focus of attention was mainly on exports and trade surpluses, “ Low-grade ”has also become the main feature of foreign trade operation over the years. However, the role that imports play in economic development has yet to attract enough attention. Imports have long been discouraged as a reduction or a negative factor in economic growth and the development of the domestic industry, and their role in promoting and driving the economy has also been people