当下是唯一的现实,唯一的确定性。
La historia de América es una realidad tan desmesurada que parece inventada.
计算复杂性的美在于它能够揭示问题的固有难度,而不管用于解决这些问题的具体算法是什么。
The study of computational complexity is not just about solving problems, but also about understanding the limits of what can be computed.