作业1
1.天猫成本：
①产品成本
②包装费用
③物流费用
④天猫扣点
⑤税收
⑥员工工资
⑦推广费用
⑧保证金
京东成本：
①产品成本
②包装费用
③物流费用
④入驻费
⑤平台使用费
⑥保证金
⑦推广费
2.我推荐马可波罗网
马可波罗网是专业的B2B电子商务平台服务于中小企业的精准采购搜索、撮合交易、精准广告投放，企业金融贷款，B2B行业资讯帮助中小企业快速成长。
3.①Business-to-business
Business to business refers to a situation where one business makes a commercial transaction with another.
A business is sourcing materials for their production process .A business needs the services of another for operational reasons.A business resells goods and services produced by others.
重点词汇：production生产 process过程 services服务 operational操作 commercial商业 transaction交易
②What is B2C？
Business-To-Consumer. A transaction that occurs between a company and a consumer, as opposed to a transaction between companies . The term may also describe a company that provides goods or services for consumers.
重点词汇：Business-To-Consumer企业对消费者 company公司 describe描述 goods商品
http://www.investorwords.com/5410/B2C.html
③Customer to customer
Customer to customer (C2C) markets provide an innovative way to allow customers to interact with each other. Traditional markets require business to customer relationships, in which a customer goes to the business in order to purchase a product or service. In customer to customer markets, the business facilitates an environment where customers can sell goods or services to each other.
重点词汇：innovative 创新 interact 交互 require需要 facilitates促进 environment环境
https://en.m.wikipedia.org/wiki/Customer_to_customer
作业2
1.当我突然需要某个APP时我会去安装这个APP，或者经同学朋友推荐，我会去安装这个APP试试。
当我觉得某个APP自己用着感觉很好，可以解决一些问题，大家可能都会需要这样一个APP的时候，我会去向别人推荐这个APP
2.ecommerce innovate
2016 is another great year for the eCommerce industry. The year-on-year data shows that there is a continuous growth in the online sales this year. By analyzing the growth curve the experts expect that there will be a consistent growth in the following years. For both the established brands and e-Commerce startups, it is important to follow the latest trends in eCommerce that have fetched high returns and implement strategies to get a competitive edge.
重点词汇：ecommerce innovate电子商务创新 analyzing分析 established建立 competitive竞争 startups创业公司
