Poor and uneducated people often want lots of children, so to be successful, family planning has to focus as much on reducing desired family size as on curbing ovulation.
英
美
- 贫穷没有受过教育的人常常想要许多孩子,所以要想成功计划生育不得不把重心从控制排卵转移到减小家庭的规模上。