名词解释
O2O Online to Offline
即线上到线下，指将线下交易的机会与互联网结合在一起，让互联网成为线下交易的前台，线上下单付款，线下消费。O2O主要针对的......
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名词解释 C2C Customer to Customer
名词解释 B2B business to business
名词解释 B2C Business to customer
