Late-stage developing nations that are currently industrialising rapidly, for example China, which will experience declining rates of population growth, coupled with increasing affluence (富裕）and age profile.
出自-2013年12月阅读原文
柯林斯高阶英汉双解学习词典释义
N-UNCOUNT
富裕；富足
Affluence is the state of having a lot of money or a high standard of living.