—— 请按键盘 空白键 开始游戏 ——

The best time to plant a tree was 20 years ago; the second-best time is now.
Every line you draw has consequences - spatial, structural, social.
The simplest solutions are often the most elegant.
美玉和石块同匣并放,鱼眼和宝珠一起贯穿。劣马和骏马混杂不分,老牛驾辕,骏马两边。