来来往往地

In the Gulf of Mexico, trawlers ply back and forth year in year out, hauling vast nets that scarify the seabed and allow no time for plant and animal life to recover.

在墨西哥湾，船年复一年来来往往地“辛勤”劳作，着巨大的，刮破了海底，没有给动植留下恢复的时间。