—— 请按键盘 空白键 开始游戏 ——

In every problem, there is a hidden pattern waiting to be discovered, and it is our duty as mathematicians to uncover it.
"The act of reading is an act of empathy, of seeing the world through someone else's eyes."
Models can lower your risk…….. It reduces the daily aggravation. With old-fashioned stock picking: “One day you feel like a hero. The next day you feel like a goat. Either way, most of the time it’s just luck. “We don’t override the models.
企业的文化是企业的灵魂,没有文化的企业是没有灵魂的。