highway中等

Part of the problem in keeping older drivers safe is that the difficulties are addressed piecemeal by different professions with different focuses, including gerontologists, highway administration officials, automotive engineers and others, said gerontologist Elizabeth Dugan.

老年学家伊丽莎白·杜根说，保障老年司机安全的部分问题在于，这些困难是由侧重点各不相同的不同行业零敲碎打地处理的，包括老年学家、公路管理官员、汽车工程师等。