Research on the governance mechanism of public-private partnership mode urban rail transit project Research on the risk sharing mechanism of public-private partnership in public goods supplying Research on the rule of law of public-private partnership in vocational education 并列题名：Research on the risk sharing mechanism of public-private partnership in public goods supplying Research on the legal nature of public private partnership contract Research on the governance mechanism of academic morality in American universities Research on the governance mechanism of financial technology security in China 并列题名：Research on the rule of law of public-private partnership in vocational education Research on legislation of public-private partnership in China Research on the governance mechanism of charitable trust