（）is the Internet commerce designed for direct communications and commercial relationship between a firmand its end customer.

（）logistics is the management by computer and Extranet.

（）are used widely in the operation of warehouse and distribution center andform the basic handling device for a number of selection system.

Door-to-door services refer to carriers（）goods in the shippers＇and consignees＇ warehouse.

Logistics information refers to general logistics（）and documentation.

（）links the entire logistics process with customer.

Freight forwarders purchase long distance service from（）carriers.

（）is the process to handle returned goods,recycle useful materials and dispose waste goods.

（） is software to manage the relationship and communication between customers and suppliers.

Transport agencies include air and surface（）.