摘要
In his speech at the UN Office at Geneva four years ago,President Xi Jinping raised two critical questions:"What has happened to the world and how should we respond?"To this day,these questions remain valid.The world is undergoing a bevy of changes,many of them unseen in the past century.The novel coronavirus disease is yet to be contained and humans are standing at a crossroads,faced with some tough choices.Cooperation or confrontation?Openness or isolation?