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.
Music is the language that transcends all barriers.
3、如果相爱，那是无限的。
The best way to predict the future is to invent it.
The best way to overcome fear is to face it.
可持续性不是一种选择，而是我们对后代的责任。
And gladly would learn， and gladly teach.
【大意】君子不认为细微的好事不值得去做而舍弃它。