摘要
Since the beginning of the year 2021, the global economic recovery has been improving, the quantitative easing policies of many countries have been implemented, regional economic and trade cooperation has been deepening, and China’s foreign trade has steadily rebounded. A new wave of the pandemic has reemerged in many countries in Europe and Asia, and the Delta virus has spread faster, which made the previous anti-pandemic efforts useless. Up to now, the number of infected people in the world has approached 190 million, and the number of deaths has exceeded 4 million.