This system should cover all children up to the age of 18 years, with specific emphasis on those who are particularly vulnerable, including children living in poverty, children with disabilities and children from single-parent families.
这一系统应当涵盖未满18岁的所有青少年儿童，并尤其注重特别脆弱的儿童，其中包括生活贫困儿童、残疾儿童和单亲家庭的儿童。