The transfer of votes from one party to another. The actual transfer is complicated, so usually taken to mean between the top two parties in any seat or area.

• 选民转投另一个政党的票。因为很难准确地判断"游离选民"转而支持其他政党的具体数字,因此游离一般都只指竞选某一个席位或者某一个地区内,领先的两个政党之间选民的投票意向变化。