Around the world, governments have subsidized the housing of middle- and upper-income groups.
全世界各政府都补贴过中高收入人群的住房。
《柯林斯英汉双解大词典》
2
America should index the retirement age to longevity and make the benefit formula for upper-income workers less generous.
美国应该根据寿命来调整退休年龄,整改高收入人群的收益计算公式。
3
Further savings would come from slowing the rate at which benefits to upper-income earners grow and raising the maximum salary subject to the payroll tax.