Royden Lam. 2603 likes · 3 talking about this. Royden 致力推廣飛鏢運動，常參賽不同國際賽事！ ... <看更多>

想知道更多有關於【2018飛鏢大賽】的節目內容，請點選以下傳送門 『每集完整對戰賽事』：2018飛鏢大賽【完整 ... ... <看更多>

I bought the fourth edition of Royden Real Analysis, this book is awesome and it's quite different from the third edition, which has less ... ... <看更多>