Ecological protection and high-quality development of river basins Ecological protection and high quality development on the Yellow River basin Ecological protection and digital management of watershed Environmental regulation and high-quality development in manufacturing Research on promoting the high-quality development of the urbanization Research on fiscal policies to support high-quality development of elderly services Research on the integration of ecological protection and high-quality development in the Yellow River basin Regional culture and high-quality development of regional economy Digitalization enabling high-quality development of private economy Strategic paths of high-quality development in Northeast China