Youmayprobablyrecognizemostofthepowerfulgraduationspeak...
问题详情：Youmayprobablyrecognizemostofthepowerfulgraduationspeakers,whoarewelt-knownpeopleintheirfields,butIthinktheschoolscouldn'thavepickedbetterspeakersthanthem,becausethemostimportantinspirationan...