it doesn't hurt/never hurts to do something idiom
做…不会有什么坏处，做…是明智的
it is useful or helpful to do or have something
It never hurts to check the flight departure time before you leave for the airport. 在动身去机场前查看确认一下航班的起飞时间不会有什么坏处的。
It doesn't hurt to have money when you want to run for office. 当你想竞选公职的时候，有钱不是件坏事。