China's development strategy of brand economy 并列题名：China's development strategy of brand economy Research on the development strategy of digital economy Study on the development strategy od the blue economy 并列题名：Development strategy of E-commerce economy 并列题名：Research on the development strategy of digital economy Operating mechanism and development strategy of circular economy Development strategy of E-commerce economy 并列题名：Study on the development strategy od the blue economy Report on the development status of foreign economy