词语不是透明不变的晶体；它是活的思想的外衣，会因使用环境和时代的不同而大幅改变其色彩和内容。

盈利和目的并不相互排斥，它们越来越相互依赖。

In the realm of computational learning, the key is not just to learn, but to learn efficiently.

The beauty of quantum algorithms is that they often provide exponential speedups over classical algorithms.