This is really a two-hour presentation I give to high school students, cut down to three minutes. And it all started one day on a plane, on my way to TED, seven years ago. And in the seat next to me w
I want to start by doing an experiment. I'm going to play three videos of a rainy day. 我想用一个实验来开始我的演讲。我将给你们播放三段雨天的视频。 But I've replaced the audio of one of the videos, and instead of the sound of rain
Good afternoon judgers.My name is Pengqiaoyun,and my English name is Ada.Today I';ll tell you about my friend--Lily. Actually I have a lot of friends, but my best friend is Lily.We are both twelve so
