While many medical advances have increased the quality of life for older people, many have had the opposite effect by prolonging only one aspect of life and increasing dependency.

• 虽然医学方面取得的很多成果提高了老年人的生活质量，但是，另外一些成果却产生了相反的作用，即在延长生命的某个方面的同时强化了依赖性。