最重要的是，州际公路系统为个人提供了他们最富有的东西：个人行动自由。
Above all, the interstate system provides individuals with what they enrich most: personal freedom of mobility.
从第一条铁路建成到州际公路系统，我们的国家一直在建设之中。
From the first railroads to the interstate highway system, our nation has always been built to compete.
去过去40年间，州际公路系统对美国经济增长起着重要的作用。
The Interstate Highway System has been an important part of the nation's economic growth during the past 40 years.
另外，我们将要通过为当前美国人创造就业机会，同时为美国未来的基础设施建设贡献力量。从第一条铁路建成到州际公路系统，我们的国家一直在建设之中。
Next, we can put Americans to work today building the infrastructure of tomorrow. (Applause. ) From the first railroads to the Interstate Highway System, our nation has always been built to compete.
在圣迭戈以北10英里的15号州际公路一段8英里长的路面上，交通工程是正在安装一个由麻省理工学院设计的引进“自动司机”的系统。
On an eight-mile stretch of Interstate 15 ten miles north of San Diego, traffic engineers are installing an MIT-designed system which will introduce the "automated driver."The
在圣迭戈以北10英里的15号州际公路一段8英里长的路面上，交通工程是正在安装一个由麻省理工学院设计的引进“自动司机”的系统。
On an eight-mile stretch of Interstate 15 ten miles north of San Diego, traffic engineers are installing an MIT-designed system which will introduce the "automated driver."The
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