Perhaps we should look beyond the superficial level of the issue from two aspects.On the one hand,it is never overemphasized enough that one useful and indispensable approach is to take 主题词 seriously and realize its dominant role in our relevant social life.What clearly illustrates my points is a quotation from Charles Dickens,my favorite English Writer,saying”the societies and individuals charaterized by 主题词 is a good uck to mankind,in a way.”On the other hand,the loss of 主题词would lead to an encroachment on our social realms of values.To end up my discussion,it is even better to help the public raise awareness of 主题词.Although acquainted with this,we also need to persuade ourselves that it takes long time to fulfill it.