不过，可重用资产的收集、存储和使用问题实质上是企业问题。
The problem of harvesting, storage, and consumption of reusable assets is really, however, an enterprise problem.
它意味着在贷款人由于房屋的价值跌破贷款价值而出现“负资产”之前，房屋价格必须下跌高达30%。此举给银行一个实质性的缓冲空间。
It means home prices have to fall as much as 30% before borrowers are 'underwater,' when the value of the home falls below the value of the loan, giving Banks a substantial cushion.
实质上，伯南克先生反对额外购买资产的论点在于，这种做法带来的副作用正越来越被忽视。
Mr Bernanke's argument against additional purchases is essentially that the "trade-offs are getting less attractive".
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