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

系外行星的研究是一段充满惊喜和挑战的发现之旅，激励着我们不断前进。

We are standing on the shoulders of giants, but there is still so much more to discover.

The novel is a mirror that reflects the complexities of human nature and society.

初稿只是你在给自己讲故事。

The future is not heavy, but light.

实现明天的唯一限制将是我们今天的疑虑。

The greatest threat to our forests is not the axe, but indifference.

成衣业的成功源于理解设计的艺术和生产的科学。