population by age group
常见例句
- Due to demographic factors, the German working population will shrink by some 30 percent as the large group of baby boomers reaches retirement age over the coming years.
由于人口结构因素，德国的工作人口将萎缩30多%，因为有大量婴儿潮世代在接下来的几年将面临退休年龄。 返回 population by age group