KNFB Reader?N??iOS????

iOS??????KNFB Reader?w?g???X?C???n?????????N?OUS$99?C?????????n???]?A???\?????G
?????y?????????U
???b25???Z???~??????????PowerPoint???v??
????PDF????
???y???y?????????????????a?????????y
???N???????G?x?s???h???????????A?]?APDF
???y?W?????x?s???p???H
?????h???y?????i??????

?U???????????????X???Ghttps://itunes.apple.com/us/app/knfbreader/id849732663?mt=8