The forest is disappearing for the extra activity of the human beings.

森林也因过多的人类活动而消失。

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"Fat makes extra hormones, which lead to extra cell activity and extra abnormal cell activity, " she said.

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"But you have to remember that the hurricane generates extra activity too, in terms of the clean-up and rebuilding, " he told the BBC.

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But over and above this there is the point that the extra activity of the sporting event is just displacement of activity in either time or space.

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