B=Business,即企业;C=Customers,即消费者
O2O即Online To Offline(在线离线/线上到线下)
P2P是英文person-to-person的缩写,意即个人对个人。

reference
http://zhidao.baidu.com/link?url=4UA9Zw7cxtqzoYcbRKnGgSNUssxeH5Z7H2gjJJYPsX44D2SDW8TtQO_nGHww0CGqU4LqR1_JLE1HWtmv2k2RTMfZIq8J_VJLcDFxo1Yj_o7
http://baike.baidu.com/link?url=ueBKPEiWOIanWnH1Vbe4drwxy_Rob3gcwPNEs_BJakTUdvwoYGF7VYqnJmmBfc-9WN4RfvfWM7ng3WR6nkApy_
http://baike.baidu.com/link?url=dV3StmbuNcIv1on7R6y4TmrKu3ortjLZkB5urlC1DbIDR3fh3u3UeqWh5O2PfFUTTxvCkCPnT0qrvBaXMy8ASq