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.
由於人口結搆因素，德國的工作人口將萎縮30多%，因爲有大量嬰兒潮世代在接下來的幾年將麪臨退休年齡。 返回 population by age group