The space between buildings is as important as the buildings themselves.

反馈是鲁棒控制系统的关键。

The true discovery of America is before us. The true fulfillment of our spirit, of our people, of our mighty and immortal land is yet to come.

我必须拥有花朵，永远，永远。

增长的关键在于在不断变化的市场中的适应性。

Education is the most powerful weapon which you can use to change the world.

知识最大的敌人不是无知，而是以为自己知道。