每個人身邊該有個說真話的朋友每個團隊內該有個魔鬼代言人但， 這真的不容易https://youtu.be/Imftwfw6fJw Tags: 0 comments 14 likes 4 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