Crossword Genius

Different look you get when you're on holiday (6,2,3)

Ross

I believe the answer is:

change of air

I'm a little stuck... Click here to teach me more about this clue!

'you're on holiday' is the definition.
I don't know anything about this answer so I can't tell whether it can be defined by this definition.

'different look you get when' is the wordplay.
I cannot quite see how this works, but
'look' could be 'air' (I've seen this before) and 'air' is found within the answer.
'when' could be 'e' (I've seen this in other clues) and 'e' is found within the answer.
'get' could be 'go' (synonyms) and 'go' is found in the remaining letters.
This may be the basis of the clue (or it may be nonsense).

Can you help me to learn more?

I've seen this clue in the Evening Standard.
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