Due to the lifecycle of regenerative resources, there must be an optimal period to exploit them for maximum profits.
由于可再生资源具有生命周期，因此从经济收益的角度来讲必然存在一个最优开采期。
Due to the lifecycle of regenerative resources, there must be an optimal period to exploit them for maximum profits.
由于可再生资源具有生命周期，因此从经济收益的角度来讲必然存在一个最优开采期。
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