出一張嘴很容易，尤其失敗後不需負責的話。提醒自己要慎言 Tags: 0 comments 5 likes 6 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