Study on international trade relations and status of countries on the Belt and Road 并列题名：Study on international trade relations and status of countries on the Belt and Road Research of the international arbitration system in countries along the Belt and Road A study on national and regional laws and tax policies in economies along the belt and road China's integration strategies with fulcrum countries along the belt and road 并列题名：A study on national and regional laws and tax policies in economies along the belt and road Study of international law on investment protection in "The belt and road" area Study on the attitudes of node countries under the belt and road Energy cooperation between China and countries along the belt and road Research on international economic and trade law related to the Belt and Road