爱沙尼亚外交部长查赫克纳：长远来看，为乌克兰以及整个欧洲提供最有效的安全保障，依然是乌克兰加入北约。

Core Viewpoint - The long-term effective security guarantee for Ukraine and Europe is contingent upon Ukraine's accession to NATO [1] Group 1 - The Estonian Foreign Minister, Urmas Reinsalu, emphasizes the importance of NATO membership for Ukraine in ensuring security [1]