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来源：雅诚德英语网
What can be done to protect the large number of children who ride as passengers on their parents' motorcycles?
可开展哪些工作以保护作为乘客乘坐其家长的摩托车的大量儿童？
What can be done to protect the large number of children who ride as passengers on their parents' motorcycles?
可开展哪些工作以保护作为乘客乘坐其家长的摩托车的大量儿童？