are you on Pro acct？

來源: 於 2012-07-10 20:44:09 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

as far as i know, if you upload a jpeg, flickr does not modify the original size image in any way, at least not on a Pro acct.

怎麽知道被壓縮了近50％？