Professor Antonio Golini is a demographer at the University of Rome.
羅馬大學(xué)安東尼奧教授是位人口統(tǒng)計(jì)學(xué)家.
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Demographer William Frey says immigrants with young families will help keep the United States competitive.
人口統(tǒng)計(jì)學(xué)家佛瑞表示這些年輕的家庭會(huì)幫助美國保持競爭力.
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