Those are examples of population problems.
那些都是人口问题的例子。
The basis for effective solution of population problems is, above all, socioeconomic transformation.
有效地解决人口问题的基础首先是社会经济状况的改变。
Perhaps the simplest summary of this analysis of man's population problems is this: the Commons, if justifiable at all, is justifiable only under conditions of low-population density.
或许对人们的人口问题最简单的摘要是这样：如果要说道理的话，公地只可以在低人口密度的条件下成立。
Population problems are those at the country level, hence must be dealt with by the country's government with a "visible hand".
人口问题属于国家级问题，必须由国家出面，用“看得见的手”去解决。
Population problems are those at the country level, hence must be dealt with by the country's government with a "visible hand".
人口问题属于国家级问题，必须由国家出面，用“看得见的手”去解决。
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