promedios
noun [ U ] uk/prəʊ.ˈmed.i.əʊs/ us/proʊ.ˈmed.i.oʊs/
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）
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