计算效率的概念是学习算法设计的核心。
The concept of computational efficiency is central to the design of learning algorithms.
The world is made of words, and those words are so powerful that they can create worlds.
幸福不是相信我们不需要改变；而是意识到我们可以改变。
虚心和实腹的义理都很深奥，但首先要通过虚心才能认识本心。
身份政治已成为当代政治的主导力量，由对认可和尊严的渴望驱动。
The story is not in the words; it's in the struggle.
Sustainability isn't a trend—it's a responsibility we all share for future generations.
伟大的小说是一面镜子和一扇窗户：它向我们展示我们自己与世界。