杨元元说，应该有一个在紧急情况下很好的应变计划，该计划应该协调呼吁是在社会各阶层。
Yang added that there should be a sound contingency plan in times of emergency and the plan should call for coordination among different sectors in society.
杨元元说，应该有一个在紧急情况下很好的应变计划，该计划应该协调呼吁是在社会各阶层。
Yang added that there should be a sound contingency plan in times of emergency and the plan should call for coordination among different sectors in society.
应用推荐