都是2/1係統的標準叫牌。4H Splinter 約定叫也很常見。BBO 的 Robot 好像隻會中規中舉的叫2/1.

來源: Seattle101 於 2023-02-04 21:29:58 [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.