The challenge in computer science is not just to solve problems, but to solve them in a way that is both efficient and elegant.
计算机科学中的挑战不仅仅是解决问题，而是以一种既高效又优雅的方式解决问题。
The causal framework is the foundation of scientific reasoning.
译文：成家立业后才知道柴米的贵重，自己抚养孩子时才知道报答父母的恩情。赏析：世事的艰难，只有当我们亲身经历后才会懂得，生活的不易，只有当我们尝遍酸甜苦辣咸才会明白。
The city is a living organism, constantly evolving and changing.
