In terms of common usage though, it's as I said, especially in North America.
"Foreign food" or "foreign restaurant" seems to be the norm where I live, but maybe I'm uncultured. "Ethnic" wouldn't offend anyone I don't think.
"Foreign food" or "foreign restaurant" seems to be the norm where I live, but maybe I'm uncultured. "Ethnic" wouldn't offend anyone I don't think.