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.
爱因斯坦当他说“上帝并不掷骰子”的时候是错误的。思考到黑洞的因素,上帝不仅仅仅玩骰子,他还经常把他们扔到我们看不到的地方来使我们迷惑。