Routine couple contribute to conventional play centre (3,3)

I believe the answer is:

act two

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'contribute to conventional play centre' is the definition.
I know nothing about this answer so I cannot tell whether it can be defined by this definition.

'routine couple' is the wordplay.
'routine' becomes 'act' (synonyms).
'couple' becomes 'two' (two people or things).
'act'+'two'='ACT TWO'

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I've seen this clue in The Irish Times.

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