this is your promising hand.
LHO opens 2♠ (this is explained as a 2-suiter with ♠ and a minor, 9-13 HCPs. Partner bids 3♠. you have no special agreement over 2-suited opening bids at the 2-level (you can therefore assume 2NT and all suit bids natural, dbl for takeout, but what does a cuebid mean?). you and your partner have been playing together for the last 20 years, you are no experts but an experienced pair.
what does the bid mean and what do you bid?

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