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問題詳情：Haveyoueverheardofe-waste,whichcanbeproducedeveryday?Howdoyoudealwithyourcomputers,MP4playersandmobilephoneswhenthey’rebrokenoryouwantanewone?Mostpeoplejustthrowthemaway.Withthedevelopmentofe...

問題詳情：    Haveyoueverheardofe-books?E-booksareelectronicbooks.Theyarenolargerthananordinarybook,withascreenonwhichyoucanread.    Howdoesthee-bookwork?    First,youcallupwebsitesonyourcom...