D. To praise the effectiveness of America's road system.

D. 赞扬美国公路系统的有效性。

The city of Cuzco in the Peruvian Highlands was the center of a large bureaucratic government connected by an excellent road system.

秘鲁高地上的库斯科曾是当时庞大管理机构的中心交通也四通八达。

A 50,000 mile long road system was built as well.

一个 50，000 英里长的道路 系统。

You're accumulating a huge amount of data of that national road system.

因为你已经有一队特斯拉汽车巡航所有这些道路。

The whole road system is meant to be navigated

这仅通过使用主要由人类使用的无源光网络来完成。

Countries like Italy, the UK, the US, and India are already exploring the potential of electric road systems.

意大利、英国、美国和印度等国家已经在探索电动道路系统的潜力。

Apart from road users, the government also benefits a great deal from having a road system.

除了道路使用者之外，政府也从道路系统中获益匪浅。

During his reign as Emperor, he joined city walls together to form the Great Wall of China, built an enormous road system, and even made war illegal.

在他的统治下，他下令将城墙连接在一起，建成万里长城，建造能通往各地的强大道路系统，甚至规定战争为违法行为。

As the marshes and forests of Germania lie beyond the empire's road system the men must build causeways and bridges to make headway— something they've recently spent more time doing than fighting.

因为日耳曼沼泽和森林穿过帝国的道路系统，士兵们必须建筑堤道和桥梁来通过，有时候他们会花费比战斗更多的时间来做这些。

Also, a road system connects different parts of a country, creates a bigger consumer base for industries and commerce, and allows more people to participate in economic activities.

此外， 道路系统连接了一个国家的不同地区，为工商业创造了更大的消费基础，让更多的人参与经济活动。

As the marshes and forests of Germania lie beyond the empire’s road system the men must build causeways and bridges to make headway— something they’ve recently spent more time doing than fighting.

由于日耳曼尼亚的沼泽和森林位于帝国道路系统之外，因此人们必须修建堤道和桥梁才能取得进展— —他们最近花在这方面的时间比战斗还多。

I think that in order to determine who should pay for the construction and maintenance of a road system, it is very important to look at who ultimately benefits from having it.

我认为， 为了确定谁应该为道路系统的建设和维护付费，非常重要的是要考虑谁最终会从拥有该系统中受益。

It is quite obvious that road users, i.e. owners of cars and other vehicles, directly benefit from the road system, so undoubtedly they should bear some of the costs involved in building and maintaining it.

很明显，道路使用者， 即汽车和其他车辆的拥有者， 直接受益于道路系统，因此毫无疑问他们应该承担一些建设和维护道路的成本。

In 1919, the US Army sent a convoy of the Motor Transport Corps across the United States from Washington DC to San Francisco to determine whether the country's road system was fit for purpose in case of a national emergency.

1919 年，美国陆军派出一支汽车运输队车队，横跨美国从华盛顿特区到达旧金山，以确定该国的道路系统是否适合在发生国家紧急情况时使用。