根据Bloomberg的说法，现在美国公债的加权平均到期期限是5年左右。
According to Bloomberg, the weighted average maturity of all American public debt is now around five years.
尽管美联储推迟了最后期限并给未来认购保留余地，但它决定不再为购买公债而增发3千亿美元。
decided not to increase its $300 billion programme of buying Treasury debt with newly printed money, though it did push back the completion date and left open the option of future purchases.
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