短語詞組短語Arctic death spiral 北極死亡漩渦現(xiàn)象backward outside death spiral 后退外側死亡旋轉death spiral forward inside 前內刃規(guī)尺death spiral backward outside 后外刃規(guī)尺The Innovation Death Spiral 創(chuàng)新的死亡螺旋 返回 death spiral