commercial transportation

例句：

1. 1. The company's main mode of commercial transportation is by truck.
   该公司的主要运输方式是卡车。
2. 2. With the development of technology, more and more goods are transported through commercial transportation.
   随着科技的发展，越来越多的货物通过商业运输来运送。
3. 3.The government has invested heavily in improving the efficiency of commercial transportation.
   政府已经投入大量资金以提高商业运输的效率。