Episodes of exceptionally rapid economic expansion driven by financial bubbles have brought periods of growing prosperity, but these can end very suddenly in recession or longer periods of slow growth.
金融泡沫驱动的经济异常迅速扩张片段带来了一些时期的增长繁荣，但是这些可能在经济衰退时嘎然而止，或者带来较长时期的缓慢增长。