I am honored to be with you today for your commencement from one of the finest universities in the world. Truth be told, I never graduated from college. And this is the closest I've ever gotten to a c
Think for a moment about your car. 就拿你的车来说。 It has thousands of parts, from the foam that makes the seats to the electrical wiring to the light bulbs. 它由数千个零件组成，从座椅的海绵，到电线，到灯泡。 And for many of those p
