—— 请按键盘 空白键 开始游戏 ——

每一个挑战都是学习和成长的机会。
When the third appeared, he thrust at it with the knife, only to feel the blade[刀片] snap as the fish rolled. 
理解复杂系统的行为需要一种新的思维方式,一种接受不确定性和不可预测性的思维方式。
化学的美妙之处在于它无处不在——你只需要去发现它。
It is because nations tend to stupidity and baseness that democracy is possible.