In a sense , this presidency will really begin only on march 25th , when leaders of the eu ' s member states gather in berlin for the 50th anniversary of the treaty of rome , the union ' s founding document , and adopt a “ berlin declaration ” 某種意義上,輪值主席任期只能從3月25日,即羅馬條約這一歐盟創(chuàng)始文件簽署50周年之際開始,各成員國首腦屆時(shí)將齊聚柏林以茲紀(jì)念,還將發(fā)表“柏林宣言” 。