demographer

Professor Antonio Golini is a demographer at the University of Rome.

罗马大学安东尼奥教授是位人口统计学家.

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Demographer William Frey says immigrants with young families will help keep the United States competitive.

人口统计学家佛瑞表示这些年轻的家庭会帮助美国保持竞争力.

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