勤俭，历来是为世人称颂的中华民族的传统美德。布衣素食，敝帷不弃也成为纯朴的劳动人民恪守几千年的生活古训。然而，与人有生老病死一样，任何产品也都有它特定的寿命，使用到一定年限时会老化，会报废。这是客观的、无情的事实。居住在某市的王老太，一生克勤克俭。如... Thrifty, has always been the traditional virtue of the Chinese nation praising the world. Commoner vegetarian, spacious curtain does not abandon has become a simple working people abide by thousands of years of ancient life. However, just like a person’s life-and-death illness, any product also has its own specific life span. When used for a certain period of time, it will age and be discarded. This is an objective and heartless fact. Wang Granny living in a city, life diligence and frugality. Such as...