have something to do with 与…有点关系
That might also have something to do with real-life manners.
出现这样的调查结果可能也与现实生活中的礼仪习惯有关。
These questions have something to do with us.
这些问题与我们有关系。

in case 以防万一
In case I missed something?
以防我漏掉什么呢?
Bring your own soap, shampoo and towel just in case.
为了以防万一，可以带上你自己的肥皂、洗发剂和毛巾。