求翻译：Whether in the form of materials, components, work-in-process, or finished goods, the basic value provided by transportation is to move inventory to the next stage of the business process. The primary transportation value proposition is product movement up and down the supply chain. The performance of transportation is vital to procurement, manufacturing, and market distribution. Transportation also plays a key role in the performance of reverse logistics. Without reliable transportation, most commercial activity could not function. Transportation consumes time, financial, and environmental resources.是什么意思？

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