a political arena的用法和样例：
- A member of congress works in the political arena.
- Until when beam of the Southern Dynasties neat and tidy, Jing Kou Corp. had gone to history end ultimately, has removed from a political arena completely.
- She entered the political arena after her husband's death.
- The emperor was actually a political eunuch.
- A political scandal has recently come to light.
- The issue was not primarily a political one.