With the change in family structures, the increase in number of women entering the paid labour force and the absence of adequate child care services, many children up to the age of 12 are not under supervised care after school hours.
由于家庭结构发生变化，妇女加入劳动力大军的人数增加，以及托儿机构数量不够，许多12岁以下的儿童放学后没有人照管。