—— 请按键盘 空白键 开始游戏 ——

The only truly secure system is one that is powered off, cast in a block of concrete and sealed in a lead-lined room with armed guards - and even then I have my doubts.
育儿不是一场看你能多快教会孩子独立的竞赛。而是陪伴他们,让他们按照自己的节奏学会独立。