特别是，金砖国家面临着巨大的收入不平等，2010—2013年平均基尼系数（零表示绝对平等，一表示绝对不平等）在0.37到0.50之间。
In particular, the BRICS suffer from considerable income inequality, with their average Gini coefficient (where zero signifies absolute equality and one is absolute inequality) ranging from 0.37 to 0.50 in 2010-2013.