您可以简单地编辑上层报告级别，同时对两个组进行分组，这将导致您想要的行为.

You can simply edit the upper reporting level, to be grouping on both groups at the same time, this will cause your desired behaviour.

我不得不求助于这个解决方案，其中隐藏重复项"似乎没有达到预期的结果.

I had to resort to this solution once, where "hide duplicates" didn't seem to achieve the desired result.