它作为控制人口数量过快增长的一项举措，实践证明在一定社会条件下是行之有效的。
As a measure to control the quick population growth, it has been practically effective under certain social condition.
首先，我们应该控制人口数量，过度捕鱼的原因之一是要满足更多的食物需求。
First, we must bring world population under a reasonable control, as overfishing is largely due to the need to fill the additional mouths.
解决人口问题，要在控制人口数量的基础上，着力提高人口素质。
Thus, to solve the problem, efforts should be concentrated on the improvement of its population quality on the basis of controlling its population growth.
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