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来源:雅诚德英语网
Our forefathers had no idea that human population would increase faster than the supplies of raw materials.
我们的祖先没有想到人口的增长速度会超过原材料的供应速度。
Our forefathers had no idea that human population would increase faster than the supplies of raw materials.
我们的祖先没有想到人口的增长速度会超过原材料的供应速度。