The challenge in computational learning theory is to understand the capabilities and limitations of learning algorithms.

字符串是一个严格的数据结构，在传递字符串的任何地方都存在很多重复的过程。它是隐藏信息的理想工具。

I'm not a politician, I'm an artist. I just try to tell the truth.

科学中的多样性对于带来不同的观点和想法至关重要。