Research on the functional defects of China's capital market from the perspective of cost of capital 并列题名：Research on the functional defects of China's capital market from the perspective of cost of capital Research on national audit of public works from the perspective of rule of law Research on the legal system of charitable trust from the perspective of grassroots charity Research on the inheritance of folk culture from the perspective of school education Research on the translation of contemporary Chinese popular literature from the perspective of cultural diaspora Research on China's regional economic growth from the perspective of innovative capital Research on identity of Chinese television from the perspective of mass culture Research on the concept of shared development from the perspective of consumption propriety Research on the construction and improvement of financial inclusion system from the perspective of Internet finance