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随着IT技术的发展，人们的日常生活、工作与学习环境发生了重要变化，IT技术越来越多地融入人们的生活之中。在便携式音频设备之中，音质旗鼓相当的MP3和MD随身听越来越受到时尚一族的宠爱。正所谓：鱼与熊掌不可兼得，两者之中到底哪个更好，一直成为很多人争论的话题。为了让
With the development of IT technology, important changes have taken place in people’s daily life, work and learning environment, and IT technologies are increasingly integrated into people’s lives. Among the portable audio devices, the MP3 and MD Walkman with the highest quality are more and more favored by fashion owners. The so-called: fish and bear’s paw can not have both, which of them which is better, has become a topic of debate many people. in order to