transportation demand theory

• 运输需求理论

transportation demand theory的用法和样例：

例句

1. I really enjoyed the supply and demand theory and national income accounting.
   我对供给与需求理论，国家收支账户很感兴趣。
2. This corresponds to the basic assumption of demand theory that consumers attempt to maximize utility.
   这就相当于需求理论中的基本假设是消费者企图功能最大化。