老年人特有的优惠正是美国老年人反对年龄歧视的本质。

Senior citizen discounts are the essence of the very thing older Americans are fighting against-discrimination by age.

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老年人特有的各种疾病；

Diseases endemic to the aged ;

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我们很幸运能发现的丰富性和特有的生活奥秘，老年人，社会以及旅行帮工，通过他们的故事。

We are fortunate to discover the richness and mystery of life endemic to seniors, society's well traveled journeymen, through their stories.

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