—— 请按键盘 空白键 开始游戏 ——

我们教授一门学科不是为了培养关于该学科的小型活图书馆,而是让学生自己学会数学思考。
We teach a subject not to produce little living libraries on that subject, but rather to get a student to think mathematically for himself.
Customer needs are always our primary driving force.
I'm not a feminist, I hail men, I love men. But I do believe in the power of women.