There will be an urban center, as well as suburban and rural areas.

将会有一个城市中心，以及郊区和农村地区。

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By 2050, one of the two Indians would be living in an urban center, up from one in three now.

到2050年，每两个印度人中就有一人生活在城市里，而不像现在这样每三人才有一人生活在城市里了。

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Check out the NADF (National Arbor Day Foundation) online to find out more about planting a tree in your area or how to volunteer in an urban center.

查看国家植树节基金会网能找到更多有关在你的社区栽棵树或者如何在市中心当志愿者的信息。

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Clearwire can program as many as eight 20Mhz wide channels in an urban center.

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If you live in an urban center like New York or Houston, you may not be aware of how many places across the nation are underserved by dentists.

FORBES: Magazine Article

The steps get heavier and the speed increases until listeners are drawn into the movement of the rivers and the mills, the frenetic pace of an urban center in constant motion.

NPR: Time For Three: Beyond Classical