Ключевые слова: background, black, blue, book, business, cable, cd, chinese, circle, copy, data, detail, dictionary, disk, down, driver, dvd, e book, economic, education, electronic, element, explained, explanation, headphone, hear, information, lay, learn, learning, listen, listening, mobile, morden, mp3, multimedia, music, note, notebook, open, paper, plug, print, rainbow, recored, red, study, white,