這是昨天的video ，沒聽到的可以自行收聽https://www.youtube.com/watch?v=DX9Bem1gMLM Tags: 0 comments 76 likes 8 shares Share this: DavidKo Learning Journey About author not provided It's about self-learning world. I'm interested many topics and would like to apply real environment and share with all my friends. 2398 followers 2144 likes "http://kojenchieh.pixnet.net/blog" View all posts