Deliver consistent value: Being unique is great, but if it is not backed up by consistent value, your visitors won't stick.

价值始终如一：独树一帜很好，但如果没有始终如一的价值支撑，你的访问者也不会从一而终。

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The central bank also announced that it would purchase up to $750 billion of additional mortgage-backed securities, which lost value with the collapse of the U.S.housing market.

VOA: standard.2009.03.18

The company also says mortgage-backed funds are up 3.74% and relative value funds (which would also hold mortgage bonds) are up 6.53%.

FORBES: Magazine Article

Two of its own hedge funds went belly up in the summer of 2007, laden by mortgage-backed securities that plummeted in value.

FORBES: Bear Should Have Been Able To Handle It