本周的症状表现为：住宅兴建量达十二年以来的最低点，抵押房产赎回权的丧失率在一年内提高了一倍。
This week's symptomswere a 12-year low in housing starts and a doubling of foreclosures in a year.
数据表明，美国现有房屋销售7月比6月暴跌27.2%，达到了10年内的最低点。
Sales of existing homes in the US plunged 27.2% in July compared with June to their lowest level in more than 10 years, figures suggest.
对此产品的需求在两年内将达到最低点。
The demand for this product will reach its nadir within two years.
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