the population question
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更新时间：2024-05-01 18:46:10 发布时间：24小时内
the population question
now, the population question already the worldwide basis question, we must pay attention. in the world population achieved 6,000,000,000, because the population question has been in the world the most major problem overpopulation brings many questions, caused the developing country population to account for the world population 4/5, but china adopted the birth control policy to have the effect.
