题目内容
Translate the following terms into English：有成本效益的，划算的
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When considered in terms of ton-miles or tonne-kilometers hauled per unit of energy consumed, rail transport can be more efficient than road transport. ( )
Ground transport is typically more expensive than air, but more affordable than sea.( )
Traditionally, large shippers build factories and warehouses near rail lines and have a section of track on their property called a freight station where goods are loaded on to or unloaded from rail cars.( )
For large shipments even if less than a full truckload, a truck is more appropriate.( )
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