B2B、B2C、C2C、O2O分别是什么意思?

B=Business，即企业;C=Customers，即消费者，这样就好理解这些简称了;M=Medium，即媒介
B2B:(Business To Business)商家对商家进行交易 如:阿里巴巴、生意宝;
B2C:(Business To Consumer)商家对个人进行交易 如:京东商城、当当;
C2C:(Consumer To Consumer)个人对个人进行交易 如:淘宝、拍拍;
O2O:(Online To Offline)线上对线下进行交易 如:团购网;