Searching an area code, for example, will give you a list of all cities in the state, their area codes, a list of zip codes, and a map of the state.

寻找一个区号，例如会给你列出所有城市中的国家，他们的地区号码，名单邮政编码，并在地图上的国家。

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But how tough is it to access a directory on the Web, or even keep a list of the 1,000 biggest cities in America along with their area codes?

但是访问网络上的目录，或者创建一个美国1 000个大城市的区号列表又有何难呢？

youdao

But how tough is it to access a directory on the Web, or even keep a list of the 1,000 biggest cities in America along with their area codes?

但是访问网络上的目录，或者创建一个美国1 000个大城市的区号列表又有何难呢？

youdao