recession
/rɪˈseʃn; rɪ`sɛʃən/ n
1 [C] temporary decline in economic activity or prosperity （经济）衰退; 不景气
an industrial, a trade, etc recession 工业、 贸易等的衰退. Cf 参看 slump n 1.
2 [U] movement back from a previous position; withdrawal 後退; 撤退; 撤回
the gradual recession of flood waters 洪水的逐渐消退.