translation.en: Combine that with a world value survey, which measures the political opinions and, fortunately for me, the savings behaviors of millions of families in hundreds of countries around the world.
translation.zh: 将这些数据与世界价值调查结合， 后者统计政治观点和，很幸运的， 全世界上百个国家上亿家庭的存储行为信息。