I'm the reason your sound won't echo.

We are constantly refining our models to improve performance.

数学研究就是对模式的研究。

The challenge is to make buildings that are both functional and poetic.

Success is not about being the best; it's about being better than you were yesterday.

数学不仅仅是关于数字、方程、计算或算法：它是关于理解的。