英文名称：Double Dip Recession 中文名称：双谷经济衰退指国内生产总值处于负增长状态时，经过一或两个季度的短暂增长后再度出现负增长。e.g. Federal Reserve Bank of Minneapolis President Gary Stern said Tuesday that officials must have faith in their forecasts when it comes time to start raising interest rates and not get knocked off stride by fears of economic fragility or double-dip recession.