平均年龄增加的积极影响依赖于一种假定,即人们的健康状况允许他们像年轻人一样生活。

The positive effects of an increased average age depend on the presumption that people's health allows them to live like younger ones.

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The positive effects of an increased average age depend on the presumption that people's health allows them to live like younger ones.

presumption 是名词,由动词 presume(假定、推测)加上名词后缀 -tion 构成。presume 本身由前缀 pre-(预先)和词根 sume(拿取)组成,字面意思是"预先拿取结论"。 presumption 在这里指"假定、假设",即基于一定依据但尚未被证实的推断。

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