InthelastfewyearsthepopularityofeBookshasexploded.Thead...
問題詳情：InthelastfewyearsthepopularityofeBookshasexploded.Theadvantagesareclear:Youcancarryasmanybookswithyouasyouwant.Youcansimplydownloadeven7booksyoulikeandinstantlystartreadinginsteadofhavingtowai...