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北京大学生物系副教授戴尧仁说,现在年轻父母不惜花钱为独生子女购买各种高级营养品.想以此增强孩子的身体素质。事实证明,这种作法是不足取的。七岁至十九岁是少
Dai Yao-ren, an associate professor of biology at Peking University, said young parents nowadays spend money on the purchase of advanced nutrition products for only-child children and want to enhance their physical fitness. Facts have proved that this approach is not enough. Seven to nineteen are less