关于《琴操》撰者，历来众说纷纭，这无疑会对歌辞年代及价值的认定产生负面影响。
Opinions about the identity of the author vary, which undoubtedly exerts negative influences on deciding the time and value of those words of songs.
惯于操丝弦的琴人都知道，这种音色是在尼龙钢丝弦或复合弦上找不到的。
People who regularly play with silk strings know very clearly that neither nylon-metal strings nor the new composite strings are capable of producing such varied color from repeating one note.
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