地球是一次性的。“地球末日”不是没有可能 ,只是那日子距今太遥远 ,人们还顾不上管它将来的死活。时间是一次性的。比如对于一个人来说 ,过一天就少了一天 ,所谓前世来生“轮回”的概念 ,不过是宗教安慰战战兢兢的生命的一种把戏。这些硬性的“一次性”具有一往无前的特征 , Earth is one-off. “Earth Doomsday” is not impossible, but that day is too far away, people can not attend to its future life and death. Time is one-time. For example, for a person, one day is one less day. The concept of the so-called “reincarnation” in the past lives is only a trick of religious relief for the trembling life. These rigid “one-time” features are unprecedented,