1. She accidentally stepped on his foot on a crowded commuter train. 她在一辆拥挤的通勤火车上不小心踩到他的脚。
2. The deal would have reduced competition in the commuter-aircraft market. 该交易本可以减少通勤飞机市场的竞争。
3. Commuter airlines fly to out-of-the-way places. And business travellers are the ones who go to those locations. 通勤航空公司飞往偏僻的地方。此外，商务旅客就是去那些地方的人。
4. Commuter diatoms, for example, emerge only during those low tides that occur during the day. 例如，往返于通勤硅藻只在白天出现低潮时出现。
5. Diatoms of this species, sometimes called "commuter" diatoms, remain burrowed in the sand during high tide, and emerge on the sand surface during the daytime low tide. 这种硅藻，有时被称为“通勤硅藻”，在涨潮时留在沙土中，在白天退潮时出现在沙土表面。
