But fast population growth only makes things worse.
不过,人口的快速增长只会使事情更加糟糕。
This change has occurred in a period of fast population growth among low-income families.
而且这一变化发生于低收入家庭人口迅速膨胀的时期。
But its fast population growth also means nature's delicacy is at the mercy of human activities.
但是其快速增长的人口也意味着大自然之美是受人类活动所支配。
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