—— 请按键盘 空白键 开始游戏 ——

Pleasures, then, and the avoidance of pains, are the ends that the legislator has in view.
Memory is a treacherous thing, it changes and distorts over time.
The pursuit of mathematical knowledge is a journey that never ends.
可持续性不是一种选择,而是负责任企业的唯一前进道路。
Success is not about individual achievement but about the collective effort of the team.