船在港口是安全的,但那不是船被建造的目的。
A ship in port is safe, but that's not what ships are built for.
"I love the challenge of playing against the best players in the world."
The future of paper is not about replacing digital; it's about coexisting and enhancing each other.
我们的教学方法只有一个,就是必须维持孩子们的高度兴趣和强烈持续的注意力。