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.
老年驾驶员安全问题的部分难点在于，不同职业从各自不同的角度，包括老年学家、公路管理部门官员、汽车工程师等，对这些问题进行零散的处理，”老年学家伊丽莎白·杜甘说道。
We need better evidence on what makes drivers unsafe” and what can help, said Dugan.
杜甘表示：‘我们需要更确切的证据来了解哪些因素会使驾驶员变得不安全，以及哪些措施能够有所帮助。’
As long as there are other cars on the roads, self-driving cars won't solve the problems of crashes, said Dugan.
杜甘说，只要还有其他车辆在道路上行驶，自动驾驶汽车就无法解决车祸问题。
But we need to do more to improve safety, said Dugan.
但杜甘表示，我们需要做更多来提高安全性。
例句取自历年考研英语真题，翻译为机器生成，仅供学习参考。