Luyện ngữ pháp - Destination B2 (Unit 25: Grammar - Unreal past, wishes/contrast))
However and nevertheless are used to express contrast. However is formal. Nevertheless is even more formal.
The fashion show was expensive to put on. However/ Nevertheless, it did make a profit.
The fashion show was expensive to put on. It did make a profit, however/ nevertheless.
The fashion show was expensive to put on. It did, however/ nevertheless, make a profit