以下是引用yanyuan在2007-2-28 15:58:00的发言: If you have adobe acrobat 8.0 professional, click "document" "watermark" "remove". All the watermarks will be gone.
my 6.0 professional version seems not to be able to do that[em11]
but I'm accustomed to studying the materials on the computer, so it doesn't matter for me.