common transport

例句：

1. 1. The city hasa well-developed public transportation system.
   这个城市拥有发达的公共交通系统。
2. 2. The train isthe most common form of transport in thisregion.
   火车是该地区最常见的交通工具。
3. 3. The new airportwill greatly improve the common transport network.
   新的机场将极大地改善公共运输网络。