問題來了：for each account, or for each ssn ? 他們怎麽知道在其它帳戶買過？

來源: wu7788 於 2023-01-05 13:57:06 [舊帖] [給我悄悄話] 本文已被閱讀：次

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問題來了：for each account, or for each ssn ? 他們怎麽知道在其它帳戶買過 ？