Maybe when people get older, sense of a humor is the first thing to go.

也许，人年纪越大，越是幽默感至上。

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People tend to be more liberal when they're young and more conservative as they get older.

人们在年轻时常常更开放，年纪越大就越保守。

《柯林斯英汉双解大词典》

People tend to be more aggressive when they're young and more conservative as they get older.

人们在年轻时往往更有进取心，随着年龄的增长，他们会变得更加保守。

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People in Jersey could have to make compulsory contributions to pay for residential care when they get older under government care reform plans.

BBC: Jersey plans care home contribution plan