a slump 下挫

There was a slump in the demand for new cars in 2007.

对于新车的需求在2007年有所下挫。

近义：a decline 下降

There was a substantial decline in the unemployment rate. 失业率有了显著的下降。

fall consistently from... to... 从…持续下降到…

After 2007，housing prices in the UK fell consistently through 2009.

从2007年到2009年英国的房价一直在持续下降。

近义：fall continuously from... to... 从…持续降至…

The criminal-offence rate fell continuously from 2001 to 2011.

刑事犯罪率从2001年开始到2011年，一直持续下降。