Electronic commerce, commonly known as 1 , is the buying and selling of 2 or services over electronic 3 such as the Internet and other computer networks. From the point of view of 4 , e-commerce may mean shopping on the 5 . 电子商务,通常被称为e-commerce,是通过因特网和其他计算机网络等电子系统买卖产品或服务。从顾客的角度来看,电子商务可能意味着网上购物。