unit3 TextAFred Smith and FedEx: The vision that changed the world弗雷德史密斯与联邦快递：一个改变了世界的创想1 Every night several hundred planes bearing a purple, white, and orange design touch down at Memphis Airport, in Tennessee. What precedes this landing are package pick-ups from locations all over the United States earlier in the day. Crews unload the planes cargo of more than half a million parcels and letters. The rectangular packages and envelopes are rapidly reshuffled and sorted according t
