Simplify the following text for a Grade 9 native English-speaking person.
Original: Carrefour Bairro , Carrefour Express , Carrefour Market ( Formerly Champion as of 2008 ) , Champion Mapinomovaoe , Globi , GB , GS , Carrefour mini , Gima .
Simplified: Carrefour operates mainly in the European Union , Brazil , Argentina and Colombia , but also has shops in North Africa and Asia . Carrefour means cross-road in French .