The global spread of the COVID-19 pandemic has severely impacted the world economy in 2020,and there are evident regional differences in degree of the impact,as governments or economies have all taken unprecedented countermeasures but produced results varying in degree.At the same time as fragile and unbalanced recovery happens to the global economy,post-financial crisis issues such as low growth,low interest rates,low inflation and high debts,and high assets prices and high income gap have been exacerbated further.