题目内容
Nowadays, doors, not only in cities but also in rural areas, are locked.
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Urban streets are more dangerous than outskirts and country areas.
All sorts of people employ new machines linked up to their telephone to determine whether the caller is telling lies or not.
"Our neighborhoods are bathed in high-intensity light; we do not want to afford ourselves even so much a luxury as a shadow."The shadow here refers to private space.
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