在正式场合做presentation，可能需要一些隆重点的开场白。
➤Ladies and gentleman. It's an honor to have the opportunity to address such a distinguished audience.
女士们先生们，我感到很荣幸有机会在这么多杰出的观众面前发言。
➤Good morning, everyone. I appreciate the opportunity to be with you today. I am here to talk to you about…