1. | 互投赞成票（促使议案通过）the practice of agreeing with sb that you will vote to pass a law that they support so that they will later vote to pass a law that you support |
2. | 水上滚木比赛（两人同时站在浮于水面的圆木上设法转动滚木使对方落水）a sport in which two people stand on a log floating on water and try to knock each other off by moving the log with their feet |
