—— 请按键盘 空白键 开始游戏 ——

The probable error of a correlation coefficient is not a thing which can be deduced from first principles, but must be found empirically.
相关系数的可能误差不是可以从第一原理推导出来的东西,而是必须通过经验找到的。
在化学中,就像在生活中一样,最具变革性的反应往往发生在学科之间的边界上。
"Stories can help children understand the world and themselves."
懦夫从不启程,弱者死于路中,只剩我们前行。
Money talks, but all mine ever says is goodbye.
I am a prisoner of my own mind, but art sets me free.