Crossword Genius

Benefit from experience, as it happens, with large gain (4,3,5)

Ross

I believe the answer is:

live and learn

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

'benefit from experience' is the definition.
'live and learn' can be an answer for 'experience' (I've seen this before). I'm unsure of the 'benefit from' bit.

'as it happens with large gain' is the wordplay.
'as it happens' becomes 'live' (as in live broadcasting).
'with' becomes 'and'.
'large' becomes 'L' (eg in clothes sizes).
'gain' becomes 'earn' (synonyms).
'live'+'and'+'l'+'earn'='LIVE AND LEARN'

Can you help me to learn more?

(Other definitions for live and learn that I've seen before include "Profit from experience" , "Keep finding out new things" .)

I've seen this clue in The Times.
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