demographic data的用法和样例：
例句
- This document provides some additional background information on Hartford, population data and retail market information.
这份资料会提供哈特福德的人口数据和零售市场上的附加背景资料。 - UNFPA helps countries use population data to establish policies and programmes to reduce poverty.
联合国人口基金帮助各国利用人口数据制订政策和战略来减轻贫穷。
