Challenge to all.
at the dawn of 2020,the world woke up to a new chalenge.A battle to protect the well-being of humanity on this planet.For thousands of years of human history,we were often unready to deal with major challenges.storms,earthquakes,tsunamis,diseases,famines,fioods and droughts,yet we have suevived and fiourished,and life eventually returned to normal,though often with a very heavy price.we remember the crisis,the call,and the confrontation--the challenge.In 2020,once again,human beings have been confronted and challenged.A novel coronavirus suddendly appeared and spread with frightening rapidity,threatening the health and lives of the entire human race.It is unprecedented,not only because of the high infectivity of the pandemic,but also because it has happened in a highly connected world.This time it is a global challenge.Although we were again not ready,at least we have come to realize that"we are one"and we must stand together in the face of this challenge.Fighting this crucial battle,medical workers volunteered for the front line,risking all to save and treat suffering patients;government officials and experts from different countries have gone all out to tackle the challenge,sharing practices,information and knowledge and helping with essential supplies;
