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如果您的钢琴的某根琴弦断了,有备用弦当然可以随手换上.我这里介绍的则是在没有备用弦的情况下,为了不耽误您继续练琴而采取的临时性的权宜措施.
If one of your pianos’ strings is broken, there is of course a spare string that you can easily put in. What I’m describing here is a temporary, expedient measure to keep you from practicing without a spare string .