Research on the governance mechanism and applied path of environmental voluntary Research on the governance of the PPP model of mine contingent environmental liabilities Research on the governance mechanism of charitable trust Research on the growth mechanism and path of time honored brand Research on the choice and mechanism of mixed reform on enterprise environmental behavior 并列题名：Research on the governance of the PPP model of mine contingent environmental liabilities Research on the governance of environmental pollution crime Criminal governance mechanism of environmental crime Research on market mechanism of environmental protection Research on the governance mechanism of financial technology security in China