three-line whip
noun /ˌθriː laɪn ˈwɪp/
/ˌθriː laɪn ˈwɪp/
- (in the UK) a written notice to Members of Parliament from their party leaders telling them that they must be present at a particular vote and must vote in a particular way
Topics Permission and obligationc2紧急通知(英国政党领袖要求其议员必须参加投票和如何投票的书面通知)