And what's happened, over the last 400 years in particular, is that human beings have invented "brainlets" -- little additional parts for our brain -- made out of powerful ideas that help us see the world in different ways.
特别是在过去的400年里 人类发明了“脑挂” 就是各种对大脑的辅助装置 这些装置帮助我们 去以一种不一样的眼光 去看待这个世界