In China, a child whose parents own 500 books will average 6.6 more years of education than a comparable child from a bookless home.
在中国，父母有藏书500本的孩子比起家中没有藏书的孩子平均多受覜6.6年的教育。
In China, a child whose parents own 500 books will average 6.6 more years of education than a comparable child from a bookless home.
在中国，父母有藏书500本的孩子比起家中没有藏书的孩子平均多受覜6.6年的教育。
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