How it works
Use 无论…都… to say the result is unchanged across every stated possibility.
无论遇到什么问题，她都很冷静。
No matter what problem she encounters, she stays calm.
Common mistake: Include an open alternative such as 什么, 怎么 or 是否 after 无论.
Grammar pattern · HSK 5
无论…都…
无论 + alternatives，都 + constant result