- 问题详情:Doyoueverpracticeplayingthepianoinyourmindbytappingonimaginaryblackandwhitekeyswhenyouhavenopianoinfrontofyou?It’snotunusual--greatpianistslikePolish-AmericanArthurRubinsteinsometimesusedtopracticeintheirminds.Formorethan100years,scientistsh...
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