对于我国这样一个以内需为主，且出口竞争力较低的发展中大国而言,发展对外贸易的首要任务是促进国内产业升级。一般说来,发展对外贸易是为了发挥相对比较优势,合理配置资源,积极参加国际经济分工与协作,促进国内产业升级。因此,衡量对外贸易的作用不能简单地以贸易规模和... For China, a large developing country with domestic demand as its mainstay and relatively low export competitiveness, the primary task in developing foreign trade is to promote domestic industrial upgrading. Generally speaking, the development of foreign trade is to exert comparative advantages, rationally allocate resources, actively participate in the international economic division of labor and collaboration, and promote the upgrading of domestic industries. Therefore, the function of measuring foreign trade cannot simply be trade scale and...