人口过剩：许多贫穷国家都极其拥挤，特别是在城市里，没有足够的基础设施为快速增长的人口提供食物、衣服和住房。
Overpopulation: Many poor nations are extremely crowded, especially in urban areas, without the infrastructure required to feed, clothe and house these rapidly growing populations.
在一个有活动孩子的家里，父母不可能为孩子们提供很好的食物、衣服和住房，更谈不上教育了，因为一般来讲父母的收入是有限的。
In a family having many children, as the parents have only limited in general, they cannot give their childrens good breading in food, clothing and shelter, let alone education.
食物和衣服便宜了，但住房和医疗保健要花更多。
Food and clothing are cheaper now, but housing and health care cost more.
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