Echoing the discussion in Chapter III, one noticeable feature is the relative underdevelopment of corporate bond markets, including securities of long duration.

对应第三章的阐述，一个明显的特点是，各种公司债券市场都相对地欠发达，包括各种长期间的证券。

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Ditching the 1951 Fed-Treasury accord ending government control of bond yields, the Fed selected and purchased trillions of dollars in long-duration bonds and mortgages.

FORBES: Pushing Back A Government-Centered Society

The long-duration index has also recovered quickly from adversity, helped in no small measure by the bullish tint to the bond market over the past decade.

FORBES: Magazine Article