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http://www.bloomberg.com/news/articles/2016-11-14/berkshire-bets-on-airlines-with-new-stakes-in-american-delta
您即将离开知乎,请注意您的帐号和财产安全。
http://www.bloomberg.com/news/articles/2016-11-14/berkshire-bets-on-airlines-with-new-stakes-in-american-delta