我相信讲故事的力量可以改变世界。
A shortage is a sign that somebody is keeping the price artificially lower than it would be if supply and demand were allowed to operate freely.
"Writing is a way of talking without being interrupted."
幸福的幸里面是一个“幸”，不是一个“辛”。 或者理解成，Y=Why=为什么，I=我。幸福里面没有为什么，只有我。
拓扑学是对图形在任何变形下保持不变的性质的研究。