"Deep learning is a form of machine learning that enables computers to learn from experience and understand the world in terms of a hierarchy of concepts."
深度学习是一种机器学习形式，它使计算机能够从经验中学习，并通过概念层次来理解世界。
Don't be afraid to take risks in your career.
对逻辑形式的研究不仅关乎语言，也关乎世界。
你穿过的门原来是什么样子，走过去以后也要保持那个样子。