導(dǎo)師的職責(zé)是指導(dǎo)孩子的智能活動和孩子的心理。
The Langlands program is not just a collection of conjectures but a way of thinking about mathematics.
Courtesy costs nothing. Lower the toilet seat after use. Let the people in the elevator exit before you enter. Return shopping carts to their designated areas. When you borrow something， return it better shape (filled up， cleaned) than when you got it.
Happiness is not something you postpone for the future; it is something you design for the present.