求翻译：Today a wide range of transportation alternatives are available to support product or raw material logistics. For example, logistics managers may integrate private with for-hire transportation to reduce total logistics costs. Many for-hire carriers offer a wide variety of value-added services such as product sortation, sequencing, and customized freight delivery and presentation. Technology has enhanced real time visibility of where freight is throughout the supply chain and when it will be delivered. Precise product delivery reduces inventory, storage, and materials handling. As such, the value of transportation has become greater than simply moving product from one location to another. This chapter provides an overview of the transportation infrastructure and its current regulatory framework to establish a broad understanding of the important role transportation plays in successful logistics.是什么意思？

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