Sustainability isn't an option—it's a responsibility we owe to the next generation.
一个人的幼儿时期,其实就是一种不断习得能力的过程,这个周期性的刺激,将带给儿童无限的欢乐和乐趣。
要说服某人相信真理,仅仅陈述它是不够的,它必须被发现。
A mathematical proof is not just a verification but a story that reveals deeper truths.