transportation cost的用法和樣例：
例句
- Reduce transportation costs through pooling loads of hogs.
通過生豬的集中裝運降低運輸成本。 - Select the qualified shipment service suppliers, and control the logistics cost.
選擇合格的當地物流供應商，控制運輸成本。 - The freight must be added to the cost of the goods.
運費必須打入貨的成本。 - I told you that this question of transportation was difficult.
我跟你們說過，這個運費問題是很棘手的。
