- The earth has been more radically changed...
地球被彻底改变 - Than by all previous generations of humanity.
其速度远超以往历代 - Faster and faster.
越来越快 - In the last 60 years,
在过去的60年里 - the earth's population has almost tripled,
人口数量几乎增长3倍 - And over two billion people have moved to the cities.
超过20亿人口涌入城市 - Faster and faster.
越来越快
In the last 60 years, 在过去的60年里
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