The practice of arithmetic tells us the principle of arithmetic, not just memory and continuous calculus.
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。
Sustainability isn't just a trend; it's a responsibility for future generations.
技术最大的敌人是惯性。
我不遵循任何特定的理论,我只做我认为正确的事。