Apertura and Clausura
noun [ S ] uk/æp.ɜːˌtʊə.rə ən klaʊˈzʊə.rə/ us/æp.ɝːˌtʊr.ə ən klaʊˈzʊr.ə/
春季联赛和秋季联赛（拉美国家足球赛制）
a system of two football competitions used in many Latin American countries to decide which is the best team in the country that season. The winners of the Apertura competition play the winners of the Clausura competition.
The places of Copa Libertadores are allocated to the champions of Apertura and Clausura of the previous season. 参加南美解放者杯比赛的席位分配给了上一年开幕赛季和闭幕赛季的冠军球队。