Research on the development characteristics and effects of E-commerce in China Research on the development strategy of bioagriculture in China Research on the development of fishing port economic zone in China Research on the development issues of apartments for the elderly in China Research on the development of internet payment in China Research on the development of regional growth pole in China Research on the development of rural inclusive finance in China Research on the development of tourism performing art in China Research on the development of tourism service trade in China Research on the development and supervision of private banks in China