Automobiles are not just means of transportation but also carriers of lifestyle.

We all need someone to kiss away our tears.

The complexity of a learning problem is often determined by the size and structure of the hypothesis space.

理论与实验之间的合作对于物理学的进步至关重要。

如果你不愿意冒险，就永远无法创造出真正非凡的东西。