So new and a competitive fringe of firms is going to enter and drive prices down.

大批新公司的进入引入了竞争机制,压低了市场价格

耶鲁公开课 - 博弈论课程节选

And those plans and commands descend down this spinal cord to drive the muscles in our arm, to guide the arm where we like it to go.

这些计划和指令沿着脊髓而下,驱动我们胳膊的肌肉，指挥我们的胳膊按意志活动。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选