rate of freight

例句：

1. 1. The company's rate of freight is competitive with its competitors.
   该公司的运费率与其竞争对手相比具有竞争力。
2. 2. Theshipping company charges a flat rate for internationalshipments.
   这家航运公司对国际运输收取固定费用。
3. 3. The cost of transportation isa significant factor in determining the rate offreight.
   运输成本是决定运费率的重要因素。