This concept accurately expresses the core of logistics management theory, which are systematic management idea, total cost concept and the theme of customer first.

这一概念确切表达了物流管理理论的核心，即系统管理思想，总成本概念和顾客至上的主题。

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This is the concept of "Total Cost".

这是概念的总成本。

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Then, the two basic theorems are introduced-benefit cost Theory and cost Utility Theory, where the concept of total passenger travel cost and the concept of vehicle operation cost are come up with.

其次，介绍了效益费用原理和成本效用原理，这是本次研究所运用到的基本原理。其中，在成本效用原理中提出了乘客总出行成本和车辆运营成本这两个成本概念。

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