北家問應該比較容易，4NT - 5C 是 2A + CK，再問出一張K就有13墩牌了，直接叫7NT。

來源: Seattle101 於 2023-02-05 13:58:00 [舊帖] [給我悄悄話] 本文已被閱讀：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.