Annual report on high-quality development of China's degital economy Annual report on high-quality development of China's digital economy Research report on the high-quality development of China's regional economy Annual report on the development of China's media economy 并列题名：Research report on the high-quality development of China's regional economy Annual report on high-quality development of Yangtze River economic belt Annual report on the development of China's marine economy Annual report on the development of digital economy Annual report on high quality development of Yangtze River Economic Belt Annual report on the development of China's internet economy