4.59 'not' used for contrast
'Not' can be used to contrast one part of a clause with another. Using 'not' in this way emphasizes the positive part of a statement.
- He held her arm in his hand, not hard, but firmly.
- We move steadily, not fast, not slow.
- 'Were they still interested?' --- 'Not just interested. Overjoyed.'
- I will move eventually, but not from Suffolk.
- It's not a huge hotel, but it's very nice.