一、自主创新的提出20世纪90年代以来,随着我国经济持续快速增长,经济成本不断提高,产业升级难、能源约束紧的难题也逐渐显露出来,再加上国际贸易条件的不断提高,使我国面临日益严峻的贸易环境,另外还有人口老龄化和就业压力等问题也都摆在面前,成为制约我国持续发 First, the independent innovation put forward Since the 1990s, with the sustained and rapid economic growth in our country, rising economic costs, difficult industrial upgrading, energy constraints have gradually revealed the problem, coupled with the continuous improvement of international trade conditions, so that China is facing an increasingly harsh environment for trade. In addition, there are also issues such as population aging and pressure on employment. All these have also become the major problems restricting China's sustained development