One proposed solution to this problem is the automated highwaysystem.
针对这个问题，有人提出使用自动化公路系统作为解决方案。
2
In those years, just after World War I, the military wanted to build an American highwaysystem for national defense.
在第一次世界大战后的那些年里，军方希望为国防建设一个美国公路系统。
3
When the auto enters the highwaysystem, a retractable arm will drop from the auto and make contact with a rail, which is similar to those powering subway trains electrically.