B2B（Business to Business）企业对企业电子商务
B2C（Business to Customer）企业对个人电子商务
M2C（Manufacturer to Consumer）生产厂家对消费者电子商务
C2C（Consumer to Consumer）个人对个人电子商务
SKU（Stock Keeping Unit）库存量单位，最小存货单位 aG5+3XI/CHGA2OQnnKmXy4YWEpOefKysWeDNl1O2eTHg3bNYI910uk5wYai6v6Ds
