Crossword Genius

Serbian occasionally gets yen from commerce site (4)

Ross

I believe the answer is:

ebay

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'commerce site' is the definition.
I know nothing about this answer so I cannot tell whether this works.

'serbian occasionally gets yen' is the wordplay.
'occasionally' means one should take alternating letters (letters taken at regular intervals or occasions).
'gets' is a charade indicator (letters next to each other).
'yen' becomes 'y' (resembles the symbol for the currency of Japan).
The alternate letters of 'serbian' are 'eba'.
'eba'+'y'='EBAY'

'from' acts as a link.

Can you help me to learn more?

(Other definitions for ebay that I've seen before include "Modern marketplace" , "Online market" , "Online selling site" , "Online marketplace" , "Electronic marketplace" .)

I've seen this clue in the Sydney Morning Herald.
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