首先是借债人了偿贷款的能力，其次是财富的市值。

The first is the borrower's ability to repay the loan and the second is the market value of the property.

为了避免被迫买回拖欠债款的风险，MrMiller表示银行将会对借债人使用比两房更为严苛的借贷条款。

To avoid the risk of having to buy back a defaulted loan, Mr Miller says the banks routinely demand tougher standards from borrowers than even the GSEs require.

在世态萎靡、人心不振、物价也跟着下跌时，这些银行就开始讨债，硬逼着借债人变卖资产，于是进一步拉低了物价。

In bad times, when prices are falling, Banks ask for their loans back, forcing the borrowers to sell assets and driving prices down further.