生活中的很多悖论如果天天发生，大家就会习以为常，正像过去清晨唱《东方红》呼唤“大救星”，晚上唱《国际歌》，高喊“从来就没有什么救世主”一样。 现在报纸上天天警告“水危机”，甚至不惜以“本世纪将因缺水发生战争”来提醒世人，但现实中，水又成为最便宜的商品，便宜 Many paradoxes in life happen every day. Everyone will become accustomed to it. Just as in the past, singing “Dongfanghong” calls for “savior”, singing “international songs” at night and shouting “there is no savior”. Now that the newspapers are warning the “water crisis” every day, they even reminded the world that “this century will witness a war of lack of water”. In reality, however, water has become the cheapest commodity, cheaper