Living in an urban area with green spaces has a long-lasting positive impact on people's mental well-being, a study has suggested.

一项研究表明，生活在有绿色空间的城市地区对人们的心理健康有长期的积极影响。

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Therefore, even without any industrial production of heat, an urban area tends to be warmer than the countryside that surrounds it.

因此，即使没有任何工业上的热量产生，城市地区也往往比它周围的农村暖和。

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An urban area is the region surrounding and including a city.

市区是指城市周围并包括城市在内的区域。

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He says fighting traffic congestion, he adds,is an on-going challenge because this urban area continues to attract more jobs and more people.

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But combining signals from multiple towers in an urban area can locate a phone within 50 yards.

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As Meeusen tells it, haphazard development around the park left Disneyland isolated in the middle of an urban area.

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Assuming you're standing at a given spot in an urban area you would be at most 164ft (50m) away.

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