Beacuse several companies will operate the superhighways, each must be required to interconnect with the others.
因为信息高速公路将由数家企业共同操作, 这些企业必须互相之间保持联系与沟通.
The tab for superhighways may run as high as 2 million dollars a kilometer.
造超级高速公路的费用可能达到每公里200万美元之上.
Superhighways also appeared in Italy and Germany in the 1930 s.
高速公路在20世纪30年代也在意大利和德国产生.
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