Big data drives high-quality development of China's economy Ten comments on the high quality development of China's economy the Nanhai sampleof high quality development of private economy Accelerating the high quality development of county economy Regional culture and high-quality development of regional economy Nanhai sampleof high quality development of private economy Digitalization enabling high-quality development of private economy 其他题名：Nanhai sampleof high quality development of private economy 并列题名：Road of high-quality development of China's marine economy Theory and practice of high quality development of marine economy