保持党的纯洁性,关键在党的各级领导干部。党的领导干部既是保持党的纯洁性的组织者和领导者,又是保持党的纯洁性的执行者和实践者。领导干部处在党和人民事业的领导岗位 Maintaining the purity of the party lies at the party’s leading cadres at all levels. The leading cadres of the party are not only the organizers and leaders in maintaining the purity of the party, but also the implementers and practitioners in maintaining the purity of the party. Leading cadres are in leadership positions in the cause of the party and the people