The ultimate search engine would understand everything in the world. It would understand exactly what you meant, and it would give you back exactly what you wanted.

抽象不仅仅是隐藏细节；它是关于创建问题域的清晰简洁的模型。

科学不仅仅是一种职业；它是一种驱使我们探索未知的激情。

在计算学习理论中，挑战不仅仅是学习，而是理解学习是如何可能的。