Most likely a criminal record needed a reasonable geographical distance before it started to pale and become uninteresting.

他估摸着一份案底需要离得相当远才能不受影响。

And it's at a reasonable distance from home.

而且它离家的距离合理。

The shortage really appears when you try to match them within a reasonable driving distance around where you reside.

当您尝试在您居住地附近的合理行驶距离内匹配它们时，真正会出现短缺。

They were looking for a symbol that would be readily identifiable from a reasonable distance, self-descriptive, simple, practical, and couldn't be confused with existing signage.

他们正在寻找一种可以在合理距离内轻松识别、自我描述、简单、实用并且不会与现有标牌混淆的符号。