摘要
The COVID-19 pandemic is still spreading all over the world.Even if the novel coronavirus vaccine can be available and popularized worldwide in 2021,the number of infected cases worldwide is still around 50 million,and may cause 2 million deaths.The COVID-19 pandemic is a historic event in shaping international relations in 21st century,not only has a significant impact on the global economic pattern,but also has a profound impact on Sino-U.S.economic and trade relations.
