THE year 2020 was an extraordinary one.The sudden outbreak of COVID-19 swept across the world,becoming the worst global public health disaster since World War II.However,the impact of the pandemic has gone far beyond issues of public health,triggering a domino effect in human life and setting new rules of the game in politics,economics,military,science and technology,and culture.Uncertainties and risks are both on the rise.Looking back into history,evolution of world situations is often accompanied by large-scale wars and turbulence.In addition to that,epidemics and crises have also affected the orientations of civilizations.This time,the combination of a once-in-a-century pandemic and changes unseen in a century is bound to reshape the world.