railroad freight charge

例句：

1. 1. The companycharges a flat rate for all its services.
   该公司对所有服务收取固定费用。
2. 2. The train willcarry the goods to the destination at acertain cost.
   火车将以一定的成本将货物运到目的地。
3. 3. The freight charge is calculatedbased on the weight and distance of thegoods.
   货运费用是根据货物的重量和距离来计算的。