1. A prudent man saves part of his wages.
    明智的人把一部分工资存起来。

2. But then she decided that at her age it might be more prudent to have someone with her,
    但转念一想，像她这个年纪，最好找个人一起去。

3. It´s prudent to save.
    储蓄是有远见的.