As we saw before nil values will be returned for those attributes that haven't been translated into the current language but we can provide a fallback language that will be shown when a translation doesn't exist in the current language.
If the site language is not one of them, the text in the fall-back language is used, possibly specified in the message file (e.g., in MessagesAb.php, $fallback='ru').
전기식 또는 비전기식 손톱다듬줄ParaCrawl Corpus ParaCrawl Corpus
However, if no other language match is possible and the server is about to return a "No Acceptable Variants" error or fallback to the LanguagePriority , the server will ignore the subset specification and match en-GB against en documents.