摘要:The outbreak of the COVID-19 pandemic has caused an economic downturn,which is a global phenomenon.According to the International Monetary Fund(IMF),the compound growth of the world economy from 2020 to 2023 is 2.4%,28.4%lower than the trend value from 2015 to 2019,of which China grew by 4.7%,down 30.0%,while the US grew by 1.7%,down 27.7%(both forecasts in 2023).