英语口语：GDP 高级口语

Has anyone been following global GDP trends? The IMF calculates economy size using GDP adjusted for PPP (Purchasing Power Parity) which essentially adjusts for cost of living. Using this calculation, China became the largest economy in 2013. The US has the largest GDP when not accounting for PPP. 

这里有一些比较高级的单词个概念。B站上可以找到一些不错的GDP排名视频还是挺有意思的。