并列题名：Research on industry selection and investment mode of OFDI under"the belt and road initiative" Research on industry selection and investment mode of OFDI under"the belt and road initiative" 并列题名：Research on China's OFDI and industrial upgrading under the Belt and Road initiative 并列题名：Research on China's foreign cultural trade under the belt and road initiative 并列题名：Research on the economic effects of the Belt and Road initiative 并列题名：Research on trade relations between China and central and eastern Europe under the Belt and Road initiative 并列题名：Research on high-quality development of China's cultural trade under the Belt and Road Initiative Research on China's OFDI and industrial upgrading under the Belt and Road initiative 并列题名：Research on third-party market cooperation under the Belt and Road initiative 并列题名：Research on strengthening the hub status of Gansu province under the Belt and Road initiative