在北京市西城区陶然亭社区卫生服务中心大厅,挂着一块市级返聘出诊医学专家的公示牌,第一位便是首都医科大学附属北京友谊医院原急诊科主任刘凤奎。照片上的刘凤奎双颊红润、头发黝黑,那还是他当年刚下社区时候的样子,到如今已然二十多年。仔细端详正在出诊的刘凤奎,虽面色依旧,却已双鬓斑白。时间使无数事物发生了变化:刘凤奎从急诊科主任变成了返聘专家, In the lobby of Taoranting community health service center in Xicheng District, Beijing, there is a municipal publicity signboard to return to hire visiting medical experts. The first is Liu Fengkui, director of the original emergency department of Beijing Friendship Hospital, Capital Medical University. Liu Fengkui photos on the cheeks rosy, dark hair, it was when he just got under the community look, now more than two decades. Carefully looking at the visit of Liu Fengkui, although the complexion is still, but it has double-boiled white. Time has changed countless things: Liu Fengkui from emergency department director into a return to hire experts,