—— 请按键盘 空白键 开始游戏 ——

没有一个世纪,也没有一个国家曾经缺少过这样的专家,他们能够知道神祇的心思,而且也愿意表示出来。
Mindfulness meditation can strengthen attentional control by training the brain to focus and resist distraction.
"The city is a character in itself, with its own moods and mysteries."
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.