A staff member wearing a face mask stands near a display of Australian wines at the China International Import Expo in Shanghai, Thursday, Nov. 5, 2020. Chinese leaders are conducting an import fair under intensive anti-coronavirus controls in their latest effort to revive the world's No. 2 economy while the United States and Europe struggle with a renewed surge of infections. (AP Photo/Mark Schiefelbein)

上海中国国际进口博览会上，一名戴着口罩的工作人员站在澳大利亚葡萄酒的展示区附近