一个社会的人口增长率越接近零，它的人口就可能越老龄- - -至少对任何能关系到我们现在的未来是这样的。
The nearer a society approximates to zero population growth, the older its population is likely to be-at least, for any future that concerns us now.
一个社会的人口增长率越接近零，它的人口就可能越老龄化？ ？从各方面看，至少我们的未来是这样的。
The nearer a society approximates to zero population growth, the older its population is likely to be? At least, for any future that concerns us now.
一个社会的人口增长率越接近零，其人口便越老龄化。
The nearer a society approximates to zero population growth, the older its population is.
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