one-child-for-one-couple	一对夫妻一个孩
childbearing age	生育年龄
family planning	计划生育
gender	性别
to empower...	带给...权利
urbanization	城市化
challenge	挑战
to follow...over an extended period of time	长期对...进行跟踪gen1zong1
庞大的（社会群体）	huge; enormous
权威	authoritative
调整（比例）	to regulate
城镇	cities and towns
减缓（老龄化）	to slow down
微小的	small; little
基本国策	basic state policy
现象	phenomenon
生活状况	living condition
重男轻女	to regard men as superior to women
竞争	to compete
缓慢	slow
保持联系	to keep in touch
跟踪调查	follow-up survey