学习数学的最好方法就是去做数学。
I don't like my voice. I don't like the way I look. I don't like the way I move. I don't like the way I act. I mean, period. So, you know, I don't like myself.
在科学的海洋中,每一个问题都是一个未知的岛屿,等待我们去发现和探索。
设计市场需要经济理论和实践直觉的结合。