One indicator could be changes in the exit and entry rates in a particular industry.

在特定行业里，这种指标的进入率和离开率应是可变的。

youdao

America's exit rate from unemployment, at 24% a month, is still far faster than rates in recent decades in France (8%), Germany (6%) and Italy (4%).

美国以每月24%的速度摆脱失业，远高于最近几十年法国(8%)、德国(6%)和意大利(4%)的速度。

youdao

America's exit rate from unemployment, at 24% a month, is still far faster than rates in recent decades in France (8%), Germany (6%) and Italy (4%).

美国以每月24%的速度摆脱失业，远高于最近几十年法国(8%)、德国(6%)和意大利(4%)的速度。

youdao