单词intergenerational-mobility
网络: 代间流动;代际流动;代际流动性
By international standards, intergenerational mobility in the US is quite low.
以国际标准衡量,美国的代际流动(intergenerationalmobility)相当低。
Intergenerational Mobility in Europe and North America
及其他人,欧洲和北美的代际流动性