general-cargo rate

例句：

1. 1. The general cargo rate for this route is $30 per kilogram.
   这条路线的一般货物费率是每公斤30美元。
2. 2. The average freight rate for international shipping has increased by 5% in the past year.
   过去一年，国际航运的平均运费上涨了5%。
3. 3.The general freight rate for goods transported by sea is much lower than that of air freight.
   海运的一般货物运费远低于空运的运费。