In past several decades,owning to the fantastic development of society,many traditional views are changed.And nowadays the following topic has around public attention.Some people argue that it is absolutely correct for one to expect a reward when doing a good deed,while others hold opposite view. It is pointed out by a great many people that one should not expect any reward when doing a goog deed.They believe that good deeds belong to voluntary service,purely out of willingness,which has noth...