alternative vote
noun/ɔːlˌtɜːnətɪv ˈvəʊt/
/ɔːlˌtɜːrnətɪv ˈvəʊt/
[singular] (British English)- a system that allows people to choose candidates for an election in order of preference. All first preferences are counted, and if no candidate achieves a majority, the candidate with the fewest votes is removed from the process and each vote for that candidate is transferred to each person’s second preference. This process is repeated until one candidate achieves the majority.
选择性投票制（按选民喜好排序计票的选举制度，先依照票上第一选择计票，如无候选人获得多数票，则得票最少的候选人出局，然后将其得票根据选民的第二选择分配给余下候选人，以此类推，直到有候选人获得多数票为止）