The percentage of the English population that would have considered themselves to be middle class is extraordinarily large.

在英国人中,自认为是中产阶级的人群占了很大比例

耶鲁公开课 - 欧洲文明课程节选

Northern Italy has a large percentage of the population who are middle class.

意大利北部有很大比例的中产阶级

耶鲁公开课 - 欧洲文明课程节选