Study on China's urban remodeling under the belt and road initiative Research on China's foreign cultural trade under the belt and road initiative International trade pivot cities under the belt and road initiative 并列题名：Research on China's foreign cultural trade under the belt and road initiative Study of the economic cooperation mechanisms under the Belt and Road initiative Research on China's OFDI and industrial upgrading under the Belt and Road initiative Studies on rule of law concerning foreign affairs under the belt and road initiative Environmental protection under the Belt and Road initiative Financial risk and financial regulation under the belt and road initiative Research on third-party market cooperation under the Belt and Road initiative