根据哈佛大学经济专家 George Borjas 的一项研究，外来移民使美国高中辍学生的工资在1980-2000年间减少了9%。
According to a study by George Borjas, a Harvard economist, immigration reduced the wages of American high-school dropouts by 9% between 1980-2000.
心理学家苏珊·莱文是芝加哥大学研究幼儿数学发展的专家。她发现，在2岁至4岁之间玩拼图的孩子在后来会发展出更好的空间能力。
Psychologist Susan Levine, an expert on mathematics development in young children the University of Chicago, found children who play with puzzles between the age of 2 and 4 later develop better spatial skills.
意大利卡梅里诺大学的学者 Franco Rollo 是研究“冰人奥兹”的专家。
Franco Rollo of the University of Camerino, Italy, has worked on Ötzi the iceman.
应用推荐