The beauty of computational complexity lies in its ability to classify problems based on their inherent difficulty.

"The world is full of magic things, patiently waiting for our senses to grow sharper."

In the world of computing, the boundary between the possible and the impossible is often defined by the algorithms we can devise.

挑战在于创造既实用又富有诗意的建筑。

美国是世界上最强大的国家，在可预见的未来仍将如此。