Hurry along appearance before market (4,5)

I believe the answer is:

look smart

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'hurry along' is the definition.
'look smart' can be an answer for 'hurry'. I'm unsure of the 'along' bit.

'appearance before market' is the wordplay.
'appearance' becomes 'looks' (I've seen this before).
'before' means one lot of letters go next to another.
'market' becomes 'mart' (synonyms).
'looks'+'mart'='LOOK SMART'

Can you help me to learn more?

(Other definitions for look smart that I've seen before include "Be quick!" , "appear fashionable and upmarket" , "Act quickly" .)

I've seen this clue in The Times.

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