—— 请按键盘 空白键 开始游戏 ——

The Langlands program is a challenge to our understanding of the nature of mathematical truth.
临近水边,时间长了,就会懂得水中鱼的习性;靠近山林,时间长了,就会知道林中鸟儿的声音。
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.