It is called trade-offs.

來源: jill08 於 2009-07-15 18:36:36 [] [舊帖] [給我悄悄話] 閱讀數 : (0 bytes)
回答: What is your priority? 由 jill08 於 2009-07-15 18:20:37
請您先登陸，再發跟帖！