ex-champion的用法和樣例：
例句
用作名詞 (n.)
- She proved herself a worthy successor to the former champion.
她證明了自己是前冠軍的當之無愧的接替人。 - Other likely contenders include four-time champions Jeff King and Martin Buser, as well as last year's runner-up, Paul Gebhardt, and former champion Mitch Seavey.
其他有希望的奪冠者包括曾四屆冠軍傑夫金與馬丁布瑟，去年季軍哥布哈德和前冠軍得主西維。
