The commuter-rail system of a city ramifies from the centre. The farther out you go, the sparser it is.
一个城市的通勤铁路系统都是从市中心向外分支，走得越远，道路越少。
2
The agency in turn shut down all commuterrail services, forcing two million South Africans to find other ways to get to work.
运输局关闭了所有通勤火车服务，迫使两百万南非人寻找其他上班途径。
3
the issue is relevant beyond HSR as the New Mexico rail Runner Express rail Runner commuterrail operation between Albuquerque and Santa Fe, New Mexico USES the median of Interstate 25.