Research on the high-quality development of China's digital culture industry in the new era Research on high-quality development of regional economy in the new era Research on high-quality development of urban agglomeration in China in the new era Research on the high-quality development of Chinese sugar industry Research on the high-quality development of China's rural collective economy Research on the high-quality development of China railway express based on the new opening pattern Research on the development of digital creative industry in China Research on high-quality development of digital economy in the Yangtze River Delta Research on the innovation and development of Chinese enterprises in the new era research on high-quality development of small and medium sized enterprises in the new era