花旗集团：董事会批准出售俄罗斯奥特莱斯花旗银行股。

Group 1 - The core point of the article is that Citigroup's board has approved the sale of its stake in the Russian outlet Citibank [1] Group 2 - The decision reflects Citigroup's ongoing strategy to exit from the Russian market amid geopolitical tensions [1]