The beauty of computational complexity lies in its ability to classify problems based on their inherent difficulty.
计算复杂性的美在于它能够根据问题的固有难度对问题进行分类。
In general, the art of government consists of taking as much money as possible from one class of citizens to give to another.
We must balance economic growth with environmental responsibility.
可持续林业不是一种选择,而是我们的责任。