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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。
抱最好的希望,做最坏的打算。
我的人生就是一首未完成的歌。
Profit and sustainability are not opposites—they must coexist for long-term success.