The experienced reader reads with two eyes, one eye see on paper, another eye see the back of the paper.
经验丰富的人读书用两只眼睛,一只眼睛看到纸面上的话,另一只眼睛看到纸的背面。
"The only way to learn mathematics is to do mathematics."
We not only need to build good cars, but also sell them well, and more importantly, provide good service.