四级Rising life expectancy(预期寿命), combined with the replacement of generous defined-benefit pension plans with less generous defined-contribution ones, means that even the better-off must work longer to have a comfortable retirement.

预期寿命不断延长(预期寿命), 再加上用不太慷慨的固定缴款计划取代慷慨的固定收益养老金计划，这意味着即使是富裕的人也必须工作更长的时间才能享受舒适的退休生活。

2015年6月大学英语四级考试真题（第1套)