regressive type

例句：

1. 1. The company's performance has been regressive in recent years.
   这家公司近年来的表现一直在退步。
2. 2. The species is known to have a regressive growth pattern.
   这种物种已知具有退步的生长模式。
3. 3. The economy is regressing due to the lack of investment.
   由于缺乏投资，经济正在退步。