It turns out that these are salespeople selling mobile phone numbers privately. "Don't waste your time applying inside. We'll turn over one to you for NT $ 20,000 or so, and you can have it right away!"
原來這些業務員是賣大哥大門號的，「有客戶申請到門號又不用了，一支二萬多轉讓，可以立即享用哦！」