"It's estimated that the average commuter in our region, congestion costs that person in excess of $1000 per year in lost time."

VOA: standard.2010.07.26

and then I work on Surfliner, which is a commuter train. It goes up down the coast.

还有我在Surfliner工作，是通勤火车。沿着海岸线走。

火车满载着幸福 - SpeakingMax英语口语达人

Telling the difference between a regular commuter and an attacker is difficult on camera or in person.

VOA: standard.2010.04.01

In 2003,a suicide bomber attacked a commuter train near the Russian republic of Chechnya,killing 44.

VOA: standard.2009.11.27

It's a commuter's worst nightmare, a normal day turned upside down by an explosion.

VOA: standard.2010.03.30

For most of them,everything's rosy. Once dismissed as lowly junior colleges and commuter schools in urban areas where students could walk or take public transit to class, these two-year colleges are attracting tens of thousands of students who would normally enroll in four-year private or state universities.

VOA: standard.2009.12.14