回複：皮匠老師，認真讀了您的博客文章，現有

來源: pjiang 於 2009-02-20 09:15:32 [] [博客] [舊帖] [給我悄悄話] 閱讀數 : (98 bytes)

I would not think they are critical so you may do them either way you like, not mandatory any way.

請您先登陸，再發跟帖！