iPadsvsTextbooksWhatifyoucouldhaveyourwholebackpackatth...
问题详情：iPadsvsTextbooksWhatifyoucouldhaveyourwholebackpackatthetouchofyourfingertips?InthefirstmonthoftheAppleiPadsrelease,25millionweresold!PeopleallovertheworlduseiPadsforallsortsofdifferentthings,...