相反，领导人未能汲取大萧条的教训，更不用说为此采取相应的预防对策可能引发未来几十年一系列新的经济和其他危机。
On the contrary, leaders’ failure to discern, much less act on, the lessons of the Great Recession may open the way for a series of fresh crises, economic and otherwise, in the coming decades.