And because he doesn ’ t select children, he describes how much hard work it takes to transform some of them from off-key “ lost driftwood ” into “ pillars in midstream. ”
也因沒得選擇，他形容有些孩子老是走音，聲音就像「迷了路的『漂流木』」，要改造成「中流砥柱」，頗費工夫。