市场经济是竟争的经济，在激烈的市场竞争中，产品、企业乃至作为生产要素之一的人。都避免不了优胜劣汰的法则。人们在商海中经历了挫折与成功、痛苦与欢乐之后，越来越深刻地感受到：产品的技术先进、品质优良、名牌响亮与否，是占领市场、创造经济效益乃至决定企业生存与发? Market economy is a competitive economy. In the fierce market competition, products, companies, and even people who are one of the factors of production. Can not avoid the law of survival of the fittest. After experiencing setbacks, successes, pains, and joys in the Shanghai Sea, people have become more and more profoundly aware that the products are technologically advanced, of high quality, and are famous for their reputation. Whether they occupy the market, create economic benefits, or even determine the survival and development of the company?