数学中的每一个问题都是学习新东西的机会。
Sustainability isn't an option; it's a necessity for the coal sector.
色彩是我整日的痴迷、快乐和折磨。
The truth is always exciting. Speak it, then. Life is dull without it.
要在计算机科学中创新,首先必须掌握基础。