[Music] Hello everyone. >> Today I want to share a story when I'm in the sixth grade. But before I tell you my story, um maybe you can answer this question from me.The question is, have you ever think how a trip to library changed your whole life. I give three chains to you to answer it. Okay, I guess there is there isn't anyone want to answer.So red let me to share my story first. It all started when I joined a program called lip experience where the first thing that we do was brainstorming to various prob ...