Jack Trout， Steve Rivkin。 Differentiate or Die：Survival in Our Era of Killer Competition， 2nd Edition。Copyright ？2008 by Jack Trout。This translation published under license。 Simplified Chinese translation copyright ？2011 by China Machine Press。No part of this book may be reproduced or transmitted in any form or by any means， electronic or mechanical， including photocopying， recording or any information storage and retrieval system， without permission， in writing， from the publisher。All rights reserved。
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