a passenger train that is ridden primarily by passengers who travel regularly from one place to another
someone who travels regularly from home in a suburb to work in a city
造句
The cops and firefighters knew they might take heat from the hundreds of thousands of subway, bus and commuter line riders, as well as motorists, who would be delayed in the evening rush. 幾十萬地下鐵路、公共汽車以及通勤鐵路的乘客，還有自己開車的人，在傍晚下班時交通將受耽擱，警察和救火隊員知道那些人將會怪罪他們。
The commuter train is never punctual. 市郊往返列車從來不準點。
Another commuter from the suburban gentry. 來自郊區的又一個通勤者
The five o\\\'clock train is always packed with commuters. 五點鐘那趟車總是擠滿了通勤者。