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.
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。
I must have flowers, always, and always.
The best way to think about a program is to think about it.
我们生活在神话之中,有时甚至意识不到这一点。
一个好的算法就像一个好故事:它有清晰的开头、中间和结尾。