生育率一直降低、除了人口老化、會不會有一天人口歸、零、 - 人口老化

By Iris
at 2005-05-22T00:00
at 2005-05-22T00:00
Table of Contents
生育率一直降低、除ㄌ人口老化、會不會有一天人口歸、零、
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By Ingrid
at 2005-05-24T13:17
at 2005-05-24T13:17

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at 2005-05-24T17:10
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