NP完全性不仅仅是一个理论上的好奇心;它对实际计算有着深远的影响。
孩子们需要故事来帮助他们应对生活的复杂性。
There are two ways of getting home; and one of them is to stay there.
A successful business is one that values its people as much as its profits.
我们是我们反复做的事情。因此,卓越不是一种行为,而是一种习惯。