People moved to the seaside to escape the crowded cities.

人们到海边以摆脱拥挤的城市。

youdao

And there may simply not be enough space in our crowded cities.

又或许这只是因为我们拥挤的城市没有足够的空间。

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Micro cars with just two seats and ranges of only around 50km are also coming: they will charge quickly and work well in crowded cities.

目前也将出现仅装有2个车座并且最大行程约50km的微型小汽车：它们很快就能充满电并且便于在拥挤的城市驾驶。

youdao

In some places, such as China's crowded cities, tall may still make good economic sense.

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That is much like flying experimental planes over crowded cities to test their airworthiness.

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The crowded cities of Japan, with their wooden houses and paper walls, burnt with a ferocity never seen before.

ECONOMIST: Japanese history