沃尔玛 DSV的全称是Drop Ship Vendor，相当于是Amazon VE or VC。Warehouse (also called Owned) Supplier是沃尔玛自营，沃尔玛发货。A Drop Ship Vendor (DSV)是供应商自己发货给消费者。沃尔玛很多的供应商，既是 Supplier 也是DSV。