为了延长寿命，人们每天都在开发新的药物和器械。
New medicine and instruments are being developed every day to extend life.
人们似乎普遍认为，公司没有动力去延长产品的寿命。
It seems commonly believed that companies are not motivated to prolong their products' lifespan.
因为寿命延长，所以人们能在66岁退休，但获得相对少一些的年薪。
As lifespans lengthen, a person could still retire at, say, 66, but with a smaller annual benefit.
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