Quote Originally Posted by Keiichi
1) It's more of the responsibility of the person that entered the country not knowing the country's language to let others know they don't know the language, and

2) residents that do know the language should assume who they're talking to knows at least some of the language.
You have put two complicated ideas in very clear language, in one sentence!

I took the liberty to delineate the two ideas, just so that it looks like a legal document.
Nice job, Keiichi!