traffic administration cost

例句：

1. 1.The city's traffic administration cost is increasing due to the increase in car ownership.
   由于汽车拥有量的增加，城市的交通管理成本正在上升。
2. 2.The government has been trying to reduce the traffic administration cost by implementing more efficient traffic management policies.
   政府一直在尝试通过实施更高效的交通管理政策来减少交通管理成本。
3. 3.The cost of maintaining a large public transportation system is a significant factor in determining the traffic administration cost.
   维护一个大型公共交通系统的成本是决定交通管理成本的一个重要因素。