A waist strap would be ideal, but I doubt many children would use it. Adjust the shoulder straps so that the bottom of the pack when filled lands no lower than four inches below the waist.
如果书包有腰带,这自然最好不过,但我怀疑有多少孩子愿意系腰带。调整好腰带,要确保在装好物品后,书包底端距离腰部不低于4英寸。
Children should be cautioned never to carry the pack on one shoulder. Decades of carrying nearly everything heavy on my right shoulder has left me with significant scoliosis that I'm now trying to minimize with a yoga exercise.
人们应提醒孩子,千万不要单肩背书包。几十年来,我一直用右肩背重重的包,导致出现了严重的脊椎侧弯,现在只好通过瑜伽练习尽量减轻症状。
Digital Textbooks May Help Ease Backpack Burden
数字教材可能有助于为书包减负
The issue of overloaded backpacks could well become moot if President Obama and his education gurus have their way. The president wants every student to be using e-textbooks by 2017.
如果奥巴马和他的教育高参们能够一路凯歌,过重的书包有可能将成为过去式。总统希望在2017年前,所有学生都能使用数字教材。
In January, Education Secretary Arne Duncan and Julius Genachowski, the chairman of the Federal Communications Commission, recommended that states redirect budgets for printed books to the purchase of iPads, Kindles and the like and the software needed to foster modern education.
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