此外，在一个拥挤的城市，这些绿色空间能让我们呼吸一下新鲜的空气和有一个地方放松一天的紧张。

Furthermore, in a congested city these green spaces offer a breath of fresh air and a place to relax from the rigours of the day.

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这是一个拥挤的城市，这又是一个空寂的城市。

This is a crowded city, yet this is a quiet, empty city.

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这是一个拥挤的城市，这又是一个空寂的城市。

This is a crowded city, this is a quiet city of empty space.

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