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.
Every time you fail, you come one step closer to success.
世界上充满了神奇的事物,耐心地等待着我们的感官变得更加敏锐。