When the bubble burst, demand collapsed.

当泡沫破裂时，需求就会崩溃。

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As steel demand collapsed in the fourth quarter of 2008 and first quarter of 2009, steel prices fell sharply.

随着钢铁需求在2008第四季度和2009第一季度的崩盘，钢铁价格大幅下降。

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Then the recession hit and demand collapsed, just as the new vineyards started to produce viable grapes.

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Then demand collapsed and so did those prices.

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First, providing a fiscal stimulus to economies where private demand has collapsed is appropriate.

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