剑桥词典a system used in some countries for deciding which football teams should be promoted or relegated , based on the average number of points a team gets in each game over several seasons 平均分系统（在某些国家足球联赛中采用的系统，根据球队本赛季和上几个赛季的平均得分决定球队的升降级） 返回 promedios