Translation:The restaurant is not there.
This sounds like you expected it to be there but it's gone. Shuttered. Defunct.
Adding a 口 at the left hand side usually means it's a question e.g. 呢、哪、吗、 or an exclamation e.g. 吧
Duo!!!! I've said it once and I'll say it again! STOP PICKING ON SPELLING!!