如今，长寿的人越来越多，但年龄相关性心智衰退病例的增加却给原本的好消息蒙上了一层阴影。

More people are living longer these days, but the good news comes shadowed by the possible increase in cases of age-related mental decline.

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该框架包括特性说明层、心智状态层、计算处理层和信息交互层。

This framework has a four-layer structure with feature declaration, mental status, computing and processing, and information interacting layers.

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