1·Hummer and GM could have been retooled to make trains, busses, or hybrid vehicles for the us.
悍马和通用汽车公司可以被重组,为美国制造火车,公共汽车,或混合动力汽车。
2·Accidents caused by trucks and busses are more and more common as drivers are forced to work more and more hours.
事故卡车和公共汽车越来越多的普通司机被迫工作越来越多小时。