Commuter train是啥意思?

Regional rail or commuter rail usually provide a rail service between a central business district and suburbs or other locations that draw large numbers of people on a daily basis. The trains providing such services may be termed commuter trains. The development of commuter rail services has become popular today, with the increased public awareness of congestion, dependence on fossil fuels, and other environmental issues, as well as the rising costs of owning and operating automobiles.
区域铁路,亦称区间通勤铁路或通勤铁路,是一种提供市中心商业区及城市郊区的铁路运输系统.在很多大都会,每天都有大量的乘客使用区域铁路通勤上下班.近年很多地方的城市都着重发展区域铁路,一方面希望减轻市区内的路面交通压力,以及减少污染,及对汽车和石油的依赖；另一方面亦希望区域铁路能带动途经地区发展成为都会的住宅区.

区间铁路

commuter train
市郊火车

市郊往返列车