A traveller consumes the same thing again and again (7)

I believe the answer is:

repeats

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'same thing again and again' is the definition.
I can't tell whether this defines the answer.

'a traveller consumes' is the wordplay.
'a traveller' becomes 'rep' (travel company worker).
'consumes' becomes 'eats' (eating is a kind of consuming).
'rep'+'eats'='REPEATS'

'the' acts as a link.

Can you help me to learn more?

(Other definitions for repeats that I've seen before include "Reiterates" , "Says again" , "Echoes" , "Duplicates" , "States again" .)

I've seen this clue in the Evening Standard.

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