Investors have been reluctant to buy up these questionable bank assets because of the high amount of risk involved.

VOA: standard.2009.03.23

They define four credit risk categories and they define a formula involving the amount of assets in each of the categories.

他们定义了四个风险等级,然后根据每个风险等级下的资产额,定义了一个资产总额的计算公式

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So, there had to be more to it than just identifying the high-risk asset class and putting your assets there and letting it rip.

因此,投资远不仅仅是,识别高风险资产,投资其中,然后就放任自流

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Somebody who is very risk averse could say, I want to hold only the riskless assets because I just don't like any risk at all.

有些极度惧怕风险的人可能会说，我只想持有那些没有风险的资产,因为我压根就不想跟风险打交道。

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The Fed is taking on a serious risk in doing this because these assets that it takes on in exchange for Treasury securities could fail.

美联储这样做很有风险,因为这些他们作为国库证券交换来的,资产可能是个烂摊子。

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