包邮新编实用电子商务英语

**章 电子商务的介绍 chapter one introduction to e-commerce
　lesson one defining e-commerce
　lesson two explore e-commerce development
　lesson three types of e-commerce
　vocabulary
　learning and speaking
　after-class exercises
第二章 电子商务的特点 chapter two characteristics of e-commerce
　lesson one advantages of e-commerce
　lesson two limitations of e-commerce
　lesson three scope of e-commerce
　vocabulary
　listening and speaking
　after-class exercises
第三章 电子商务的组成选项chapter three e-commerce options