High area density would permit more use of underground rail systems.

高区域密度将会允许地下铁路系统的更广泛运用.

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High area density reduces costs of public services and permits public transit to work effectively.

高区域密度降低了公共设施的价格,并使得公共交通能够有效地运转.

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High area density not only improves public services by lowering their cost per person.

高区域密度不仅是通过降低每个人的成本改善了公共设施.

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