NetLibraryIsalibrarythatlendsoutdigitalbooks．Ittreatsad...
問題詳情：NetLibraryIsalibrarythatlendsoutdigitalbooks．Ittreatsadigitallikeapaperbackcopy．Itchargeslibrariesperbookpercopyandgivespublishersacutofthetotalincome． Fromtheconsumer'spointofview,th...