Research on decision-making in urban development in China Research on the chain of sports events and urban development in China Research on urban green development in China 并列题名：Research on the chain of sports events and urban development in China Research on the regional coordinated development in China Impacts of high speed rail on urban development in China New mode research on knowledge-based urban development in China Research on consumer amenities, labor mobility and urban development in China Empirical research on circulation industry development in China Research on the impact of population aging on economic development in China