W5L1-L2-需求与供给
电商加速了社会生产力的发展和供给侧改革，使得供给更加快捷·方便·迅速，同时满足了人类日益增长的物质需求，使得人类的欲望越来越膨胀。随之而来的便是需求的增长与商品价值量的实现。但因为市场供给量不等于生产量，因此尽管电商迅速发展，但产能过剩依旧是必然，它并不能改变商品本身的价值与和使用价值。在进行交易时，它依然遵循以钱换物的原则，凝结在商品当中的个别劳动时间也不会因此而减少。
电商发展的基础：IPv4 IPv6 网站 CN下网站以及国际出口宽带持续增长。
网民规模及手机网民数量持续增长：
与电商相关的互联网应用：
目前互联网热点：网上支付，网约车服务模式，在线教育，社交应用
http://www.networksolutions.com/education/what-is-ecommerce/
Ecommerce is a deal for every operation.It is a electronic way for consumer to exchange everything with no barrier.And B2B is the ecommerce between company and company.At the same time,electronic transactions have obtained for a long time of electronic data transactions.There will more difficult if you do not know suggestions about what the ecommerce is.
What the online store and shopping trolley is ?
Shopping cart software is an operating system for customer to come true their aim.If you want to buy something ,putting it in the shopping trolley then provide your personal details.To have a relieve course ,trapping a new website is necessary ,then you are supposed to received an onlion payment .At last ,you should have a marketing strategy to attrac t the regular.
关键词：ecommerce , customer, shopping trolley
产品生命周期（空调）
http://www.microsofttranslator.com/bv.aspx?ref=SERP&br=ro&mkt=zh-CN&dl=zh&lp=EN_ZH-CHS&a=http%3a%2f%2fproductlifecyclestages.com%2f
Product life cycle stages :
Because the new and updated product does deep attractive for people,most of the company put a lot of money for it to let their busssiness go up .product life cycle stages contain instroduction stage,growth stage,maturity stage and decline stage .And these four component parts means different things,running specific products own life cycle stages.
关键词：Product life cycle stages
关键词：ecommerce consumer shopping trolley
