But while some cities are experiencing explosive growth, others are shrinking.

尽管有许多城市在经历着爆炸式的增长，有一部分城市却在缩小。

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And while some cities such as Seattle experienced a week or so of abnormally hot weather, this rather mild summer was the rule rather than the exception.

然而还有一些城市如西雅图却经历差不多一周的罕见炎热天气。这个地方夏季的温和是比预想还要有规律的。

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Kevin Balke, a research engineer at the Texas A&M University Transportation Institute, says that while smart lights can be particularly beneficial for some cities, others are so jammed that only a sharp reduction in the number of cars on the road will make a meaningful difference.

德克萨斯农工大学交通研究所的研究工程师凯文·鲍克说，虽然智能交通灯对一些城市特别有帮助，但有些城市太拥挤了，只有大幅减少道路上的汽车数量才能有效改变拥堵的局面。

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One of the things you kind of speculate about, and wonder about, why did some cities send out lots of colonies, some cities send out only a few, and others none at all for quite a while.

也许你感到疑惑的一件事是,为什么有些母邦派出了大量移民,另一些只有一些移民,还有其他母邦在很长时间根本没向外移民呢

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While in some cities, such as Liverpool, religious schools can be found at the bottom as well as the top of the league tables, church schools remain among the most sought after in the country.

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While the average gain was impressive, some cities did exceedingly well while others languished.

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Instead, it will strike different regions in very different ways, likely boosting some cities while falling flat in others.

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