在计算学习的背景下，“可能近似正确”（PAC）学习的概念为理解学习算法的效率和可行性提供了一个框架。

"A good book is a magic gateway to a world of imagination."

Filmmaking is a collaborative art form, and the best films come from a team that is passionate and committed to the story.

过度捕捞的真正代价是用空荡荡的渔网和破碎的社区来衡量的。