马德里竞技战术研究，为下一场比赛做准备
There were once two crows who were fierce rivals. 从前，有两只乌鸦是激烈的竞争对手。 One day, one of the crows said to the other, "You realize, of course, that I can fly much higher than you can." 有一天，其中一只对另外一只说：“你当然清楚，我飞得比你高得多。” "Don't be ridiculous"...