There isone difference between an old mana young one: the young man has a glorious future before himold one has a splendid future behind him:maybe that is where the rub is.

• 老人和年轻人之间只有一个区别：年轻人的前面有辉煌的未来，老年人灿烂的未来却已在身后。这困难之所在。