For a long time sol-fa is a disputable issue in the solfeggio training. 而視唱在視唱練耳課中又占有中心地位，視唱訓練中的唱名法問題一直是一個有爭議的話題。
If we are to include that highly disputable clause in the text of the draft are we not to defeat our onw purpose? 如果我們要把那個大有爭議的條款寫進草案的案文，我們豈不是要挫敗我們自己的目的？
常用短語
His highly disputable approach to the New Testament.