—— 请按键盘 空白键 开始游戏 ——

能源行业在变化,我们也必须如此——适应是生存的关键。
我喜欢跳舞。我喜欢动起来。我喜欢表演。我喜欢娱乐。
We teach a subject not to produce little living libraries on that subject, but rather to get a student to think mathematically for himself.
"I don't believe in writer's block. I believe in laziness."