Road of high-quality development of China's marine economy 并列题名：Road of high-quality development of China's marine economy Annual report on high-quality development of China's degital economy Annual report on high-quality development of China's digital economy Study on the high quality development of inland open economy Research report on the high-quality development of China's regional economy Hi-quality development of China economy Road to high-quality development of manufacturing industry 并列题名：Hi-quality development of China economy The high-quality development of China's economy in the new economy