Over a fifth of American children live in relatively poor households, earning less than half the national average household income.
多于五分之一的美国儿童居住在相对贫困的家庭，这些家庭的年收入不到全国家庭平均收入的一半。
One gauge of that is that when poor children are adopted into upper-middle-class households, their I.Q. 's rise by 12 to 18 points, depending on the study.
托克·海姆研究中的一项测量表明，当贫困儿童被中上层家庭收养后，智商提高了12至18点。
The report quantifies the economic losses to India, and shows that children and poor households bear the brunt of poor sanitation.
该报告量化了由此带给印度的经济损失，并指出儿童和贫困家庭是恶劣卫生条件的主要受害者。
The report quantifies the economic losses to India, and shows that children and poor households bear the brunt of poor sanitation.
该报告量化了由此带给印度的经济损失，并指出儿童和贫困家庭是恶劣卫生条件的主要受害者。
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