Specialized companies provide EDI tracking services and take care of cumbersome customs procedures; they also offer distribution services, such as warehousing and inventory management.

专业公司提供电子数据交换，并采取跟踪服务程序繁琐的海关服务，他们还提供配送服务，如仓储和库存管理。

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And warehousing and distribution, regional distribution, supply chain management, cold-chain logistics and logistics information service, etc.

又有仓储配送，区域配送、供应链管理、冷链物流和物流信息服务等；

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Amazon built unparalleled warehousing, distribution and customer management economies of scale that still exert, by some estimates, a 19% price advantage over Walmart.

FORBES: Groupon Hysteria