Courage is the most important of all the virtues, because without courage you can't practice any other virtue consistently.
机器学习的最终目标是让机器能够从经验中学习,并随着时间的推移提高其性能。
免费游戏最贵的成本是玩家的信任,一旦透支就再也买不回来。
Sorrow is knowledge.