短缺乃是一种符号，它意味着价格被人为地保持在低于供求双方可以自由行事时的水平。
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.
The only real art is the art of the soul.
我们必须为人类体验而设计，而不仅仅是为了效率。