Continuous expansion of high-level opening-up is an inevitable requirement for promo-ting Chinese path to modernization.The Third Plenary Session of the 20th Central Committee of the Communist Party of China pointed out that Chinese path to modernization is constantly advancing in the reform and opening-up,and will certainly open up broad prospects in the reform and opening-up.High-level opening-up to the outside world has distinct characteristics.It based on high-speed in-stitutional innovation,driven by powerful high-tech,and guaranteed by efficient and safe internal and external circulation...