Perhaps the deepest explanation for the Legion of Gloom’s strength is where they live. According to the Economist Intelligence Unit, the OECD economies averaged annual GDP growth of 0.5% from 2008 to 2012, whereas non-OECD economies averaged 5.2% growth.
也许对于忧郁军团得势的最深刻的解释是他们来自哪里。根据《经济学人》智库（Economist Intelligence Unit）的数据，2008年至2012年期间，经合组织经济体平均年GDP增长率为0.5%，而非经合组织经济体为5.2%。