It is a curious fact that in bad days we can very vividly recall the good time that is now no more; but that in good days we have only a very cold and imperfect memory of the bad. 奇怪得很，人们在倒霉的时候，总会清晰地回忆已经逝去快乐时光，但是在得意的时候，对恶运时光只保有一种淡漠而不完全的记忆。