So if house prices fall below the value of the mortgage, a householder can walk away from his debt. Many have done so: fire sales of seized homes have weighed heavily on prices.

因此，如果房价降至抵押物价值以下，房主可以安全脱离债务，许多人这么做：被没收财产的降价销售严重依赖于市场价格水平。

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Fire safety of large roofs for buildings - Fire exposure from below - Part 1: Definitions, requirements and tests; roof areas without openings.

建筑物大型屋顶的防火安全。从下部起火。第1部分：定义、要求和试验。封闭式屋顶区。

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Within three minutes, this cloud, absorbing more gases from the fire below, was banking down the walls and filling the living room.

NEWYORKER: Trial by Fire

To those Americans down below, the fire was coming in from every single direction.

WHITEHOUSE: The White House