为什么一定要把奖杯做成门钥匙，哈利的牙刷难道不也同样有效?

为什么一定要把奖杯做成门钥匙，哈利的牙刷难道不也同样有效?的英文翻译

基本释义

• Why make the Cup a portkey when Harry's toothbrush would work just as well?