（Level 3）-Day_61 E-Commerce

在喜马拉雅已支持实时字幕关注公众号“高效英语磨耳朵”获取文稿和音频词汇提示1.electronic commerce 电子商务2.encompasses 包含，围绕3.automation 自动化4.transactions 交易5.parcel 包裹6.bypass 绕过7.intermediates 中间商8.distributors 分销商9.retail 零售10.multimedia catalogs 多媒体目录11.alternative 替代12.auction 拍卖13.sponsor 赞助14.portals 门户原文E-CommerceElectronic commerce（or simply e-commerce）is more than just buying and selling products or services online.It encompasses the entire online process of developing，marketing，selling，delivering，servicing and paying for products and services.E-commerce systems rely on the recourses of the Internet and other computer networks to support every step of the process.Through an E-commerce system，consumers can order and make payment for the products or services they purchase online and receive the support at the company's websites through the Internet.It also allows consumers and suppliers to participate in product development via Internet newsgroups and E-mail exchanges.There are basic types of e-commerce applications：business-to-business（B2B），business -to-consumer（B2C），and consumer-to-consumer（C2C）.Business-to-business（B2B）e-commerce is the online automation of purchase and sale transactions from business to business.Many companies use secure Internet or extranets for their business consumers and suppliers to access to their websites while some may rely on electronic data interchange（EDI）systems.Cisco systems，a leading manufacturer of computer networking equipment，makes about 40 percent of its sales online.These activities include order taking，credit check，production scheduling and technical support to their consumers.General Electric and the United Parcel Service（UPS）are a few of many other firms that offer B2B e-commerce sites.Business-to-consumer（B2C）e-commerce creates electronic marketplaces where businesses promote and sell products and services directly to consumer.In this form of electronic commerce，which has grown into a multibillion dollar market，business can bypass intermediaries such as distributors or retail outlets.Companies like Amazon.com and Dell Corporation offer e-commerce websites that provide virtual storefronts and multimedia catalogs，interactive order processing，secure electronic payment systems，and online consumer support.Consumer-to-consumer（C2C）e-commerce is an important alternative for business-to-business or business-to-consumer e-commerce.In this form of e-commerce，consumers can buy and sell products and services with each other in an auction process at an auction website.Through an online auction site like eBay，one of the most successful C2C e-commerce models，consumers and businesses can participate in or sponsor consumer or business auctions.Other forms of consumer-to-consumer e-commerce include personal advertising of products or services by consumers at electronic newspaper sites，consumer e-commerce portals，or personal websites.