The concept of probably approximately correct (PAC) learning has been foundational in computational learning theory.
可能近似正确（PAC）学习的概念在计算学习理论中具有基础性意义。
The reality of a building is not the image of it, but the space within it.
The female body has been a battleground throughout history.
Success in any art depends on the ability to express oneself.
Architecture is a language. When you are very good, you can be a poet.