what are these two articles talking about pls？

來源: backwardation 於 2017-10-18 17:14:13 [] [舊帖] [給我悄悄話] 閱讀數 : (0 bytes)
回答: another one 由 jw2009 於 2017-10-18 15:33:53
請您先登陸，再發跟帖！