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http://www.engvid.com I am going to teach you to improve your English by following three simple rules. Follow my "3Us" to start becoming more fluent in English today. http://www.engvid.com/3-rules-for-improving-your-english-immediately/
원문출처 : http://www.youtube.com/watch?v=IPxEUZ7fXzI&feature=youtube_gdata