单项选择题 （）has been one of the dominant theme in the development of logistics management. This development began 40 years ago at a local level. Today, many businesses are making efforts to integrate global networks, comprise several tiers of supplier and distributor, and the use of different transport modes and carriers.

单项选择题 The advantages of （） include better accuracy, customer service, precise control of transportation and data analysis capabilities to anyone capable of using the virtual database.

单项选择题 （）act as a bridge or facilitator between supplier and buyer.