Shortcut favoured by busy workers? (7)

I believe the answer is:

beeline

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

'shortcut' is the definition.
(thesaurus)

'favoured by busy workers?' is the wordplay.
I cannot really see how this works, but
'favoured' could be 'in' (I've seen this in other clues) and 'in' is found in the answer.
This explanation may well be incorrect...

Can you help me to learn more?

(Other definitions for beeline that I've seen before include "Straightest route" , "Most direct route" , "Straight route" , "Direct track" , "Shortest route between A and B" .)

I've seen this clue in The Guardian.

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