If 27 individuals from those 27 member states sat around table, speaking their 23 languages, some very simple mathematics will tell you that you need an army of 253 translators to anticipate all the pairwise possibilities.
如果27个 来自各个盟国的人 围坐在桌边，说着23种语言 简单计算就可以知道 你需要一个253人的翻译队伍 来保证配对说话的可能性