Research on the economic policy effects of high-quality development of China's renewable energy Research on the economic effect of the development of digital finance Research on the driving force for high-quality development of sports industry Research on the industrial policy transformation of high-quality development of catering industry in China Research report on the high-quality development of China's regional economy Research on promoting the high-quality development of the urbanization Research on the high-quality development of Chinese sugar industry Research on fiscal policies to support high-quality development of elderly services Research on high-quality development of China's coastal areas 并列题名：Research report on the high-quality development of China's regional economy