实现明天的唯一限制将是我们今天的疑虑。
Food security is the cornerstone of national security, we must firmly grasp it in our own hands.
History is not just the story of bad people doing bad things. It's also the story of good people doing nothing.
机器学习的最终目标是让计算机从经验中学习，并随着时间的推移提高其性能。
One who never turned his back but marched breast forward, never doubted clouds would break.