快速回答：”Face-down fold”的意思是Playing a card face down to stay in sequence without contesting the active trick.
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Face-down fold
Playing a card face down to stay in sequence without contesting the active trick.
快速回答：”Face-down fold”的意思是Playing a card face down to stay in sequence without contesting the active trick.
Playing a card face down to stay in sequence without contesting the active trick.