IF CATASTROPHE were to befall humanity—be it plague, nuclear war or an asteroid striking the Earth—what provision could be made for the survivors?
IF CATASTROPHE were to befall humanity—be it plague, nuclear war or an asteroid striking the Earth—what provision could be made for the survivors?
万一灾难降临到人类头上——比如说瘟疫，核战争或者行星撞击地球——我们可以为幸存者提供什么？