数算练习告诉我们算术运算的原理，而不是单单的记忆和不断演算。

史记

形式追随功能——这一直被误解。形式与功能应合二为一，在精神上统一。

The essence of a brand is trust, and trust is built over time with sincerity.

The more you learn, the better you'll perform in the market.

每个故事都是一次旅程，每次旅程都会改变我们。