英语语法分析

The idea was to connect the new system to existing expressways and freeways.

其想法是将新系统与现有的高速公路连接起来。

By the end of the century, there was an immense network of paved roads, residential streets, expressways, and freeways built to support millions of vehicles.

到这个世纪末，已经建成了一个巨大的道路网络，有居民街道、公路和高速公路，这些都是为了承受数百万的车流量而修建的。

There are no big buildings, no supermarkets, no freeways.

没有高大的建筑，没有超级市场，也没有高速公路。