The cluster approach adopted for the above-mentioned activities was cost-effective and conducive to exchange of experiences within a group of countries sharing similar realities or willing to learn from best practices in their region and to establish networks.
25. 为上述活动使用的群集办法具有成本-效益和导致在出现相同情况或愿意学习各自区域的最佳做法的国家交流经验和建立网络。