不平等的代价不仅由处于劣势的人承担,而是由整个社会承担。
Understanding the fundamental forces of nature is essential to comprehending the cosmos.
Our goal is to organize the world's information and make it universally accessible and useful.
活着的当下就是一切。
数学不是关于数字、方程、计算或算法的:它是关于理解的。
The answers you get depend on the questions you ask.