Business model innovation and high-quality development of enterprises in the era of digital economy 并列题名：Business model innovation and high-quality development of enterprises in the era of digital economy Ecological responsibility and reputation of enterprises in the era of digital economy Annual report on high-quality development of China's digital economy Chinese modernization and the healthy development of the private economy Annual report on high-quality development of China's degital economy Research report on the high-quality development of China's regional economy Regional culture and high-quality development of regional economy 并列题名：Regional culture and high-quality development of regional economy 并列题名：Research report on the high-quality development of China's regional economy