—— 请按键盘 空白键 开始游戏 ——

The ability to focus attention is crucial for learning, memory, and performance in complex tasks.
When we talk about food security, we're really talking about national security.
以前的事不要再评说了,做完的事不要再议论了,过去了就不要再追咎。
I’m not a guy that’s going to let my love for the court down.
教育者的心必须是一团活生生的火焰,是温暖和光明的源泉。