对美联储观察人士来说，全新的工作又来临了。
当前美联储观察失业率时，考虑的不是高科技的东西了，而是来自于数学里的术语：“鞍点”。
When Fed officials look at unemployment just now, they think not of rockets but of a different term from the world of maths: a “saddle point”.
那些精明的美联储观察家已经注意到，自从去年秋天巨额货币注入以来，货币基础已经超过了货币供应。
Astute observers of the Federal Reserve have noticed that, since the large infusion of money of last autumn, the monetary base has exceeded the money supply.
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