People are overwhelmingly e-mailing others in the same city, rather than those far away.
绝大多数给同城的人，而不是远处的人发电邮。
E of city life fatigues many people.
奔波的城市生活使很多人精疲力竭。
The two basic movement patterns of an Economic Central City (E. C. C) are centralization and diffusion.
经济中心城市具有集聚和扩散这两种基本运动形式。
Where did you come from? I came from (City, County) (e. g. Shanghai, China).
你从哪里来？我从(城市，国家)来(例如：上海，中国)。
Where did you come from? I came from (City, County) (e. g. Shanghai, China).
你从哪里来？我从(城市，国家)来(例如：上海，中国)。
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