sixty-four-dollar question的用法和樣例：
例句
用作名詞 (n.)
- The key question of what caused the leak remains unanswered.
泄漏究竟是怎麼造成的，這一關鍵問題仍未得到答案。 - The biggest question is how they got into this mess in the first place.
關鍵問題是他們是怎麼惹出這樣的麻煩的。 - The discussion centres on the most important question.
討論集中在最重要的問題上。 - Economic work is a political task of prime importance and the economic question is an overriding political question.
經濟工作是當前最重要的政治工作，經濟問題是壓倒一切的政治問題。
辭彙搭配
- the sixty-four dollar question 最難答的問題,最重要...
