The damage done by unqualified parents can only be undone at a tremendous cost of time and effort. Every failure to protect an abused child inflicts incalculable costs upon society further on down the line. We all share the monetary cost, and some of us pay with heartache and tragedy.
不適任的父母對孩子造成的傷害，事後要花更多的時間和心力來修補；兒保工作不彰，整個社會所要付出的成本、代價，恐怕更是難以估算。