N-UNCOUNT
（為使某一黨獲得優(yōu)勢）不公正的改劃選區(qū)
Gerrymandering is the act of altering political boundaries in order to give an unfair advantage to one political party or group of people.
例句
With the help of skilful gerrymandering, the Party has never lost an election since.
這個(gè)政黨通過巧妙地改劃選區(qū)而使此后的選舉無往不勝。