Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.
数学不仅仅是关于数字、方程、计算或算法:它是关于理解的。
Your 20s are the most defining decade of your life.
The rise of a new great power is always a cause for concern among existing powers, as it threatens the existing balance of power.
设计不仅仅是关于外观,更是关于功能。