Ｉｎｔｅｒｎｅｔ的飞速发展在引发了一场信息革命的同时，也深深影响到人类经济生活领域，带来了传统商业运作模式的转型，其中席卷全球的电子商务热潮便是极好的佐证，不仅传统工商企业着手借助互联网络搭建电子采购和销售平台，以期更好地为用户服务；新兴的互联网企业特别 The rapid development of the Internet has triggered an information revolution as well as profoundly affected the economic life of mankind. It has brought about the transformation of the traditional business mode of operation. Among them, the craze of e-commerce sweeping the globe is an excellent example. Not only the traditional Businesses are set to build an e-procurement and sales platform through the Internet in an effort to better serve their customers. The emerging Internet companies, in particular