儿童开始对自己实践那些他人曾经对他实践过的相同行为形式。
你给予的越多,得到的就越多
"The only thing to do with good advice is to pass it on. It is never of any use to oneself."
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
数学不是关于数字、方程、计算或算法的:它是关于理解的。