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我曾經很閒的用尺試過...發現真正難的地方是在... 要把壓尺那手的食指..維持用力壓在桌子邊邊的點上..然後靠另外三指迅速移動尺 食指沒壓好的話出來的聲音會"打弦"XD 後來玩一分鐘就放棄了,好難~囧