第十届“21世纪杯”全国英语演讲比赛季军——张阿旭 香港理工大学 演讲稿：Two-Way Traffic Seven centuries ago, Marco Polo, after staying in our country for almost twenty years, brought the secrets of spaghetti and
It's an honor to be here today to address HBS's distinguished faculty, proud parents, patient guests, and most importantly, the class of 2012. 今天很荣幸来到这里为尊敬的哈佛商学院（HBS）的教授们，自豪的毕业生家长们和耐心的来宾们，尤其是为
