开始买手机的目的可能是方便和父母的联系，可事实上孩子用于联系父母的有多少次？
Buying mobile phone purpose may be conveniently and parents' relation, but in fact the child used to contact parents how many times?
开始买手机的目的可能是方便和父母的联系，可事实上孩子用于联系父母的有多少次？
Buying mobile phone purpose may be conveniently and parents' relation, but in fact the child used to contact parents how many times?
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