柴油发动机是当今已知效率最高的原动机。
你乐于挥霍的时间,不算浪费。
You live, you learn. You love, you learn. You cry, you learn. You lose, you learn. You bleed, you learn. You scream, you learn.
The most important property of a program is whether it accomplishes the intention of its user.
My life goal is: to be a person who contributes to society.