Everyone is in favor of free speech. Hardly a day passes without its being extolled， but some people's idea of it is that they are free to say what they like， but if anyone else says anything back， that is an outrage.
生存的规则永远不会改变，无论你是在沙漠中还是在市中心的街道上：你需要水分，你需要食物，你需要庇护所。