                                                                                                                                                                                                                                                                                                     1 + 1 = 2    0.5 + 0.5 = 1                                                                                                                                                                                                                                                                                                                                                                                                                                                                 佛曰                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             2019        