The Federal Reserve on Wednesday acknowledged - but didn't answer - the question that's on everyone's mind: What happens when it stops buying hundreds of billions dollars in financial assets?

美国联邦储备委员会（Fed）周三承认了所有人心中的一个问题，但并未加以回答：如果美联储停止购买数千亿美元金融资产的话，那会发生什么情况？

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And a second fear which is exactly the opposite of that one is what happens when it stops and what is the exit route and how smoothly does it happen.

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So, what happens when it stops?

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