The PAC learning framework provides a formal way to analyze the efficiency and effectiveness of learning algorithms.
The market is always looking for the next opportunity.
"Books are the plane, and the train, and the road. They are the destination, and the journey. They are home."
The stream of thought is a stream of life-sustaining acts.
文学不仅仅是娱乐,它是一种理解世界的方式。