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Master Card A 17-18 character number that identifies a Master Card credit card account.
Master Card一个包含 17-18 个字符的编号，用于标识 Master Card信用卡帐户。
youdao
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Master Card A 17-18 character number that identifies a Master Card credit card account.
Master Card一个包含 17-18 个字符的编号，用于标识 Master Card信用卡帐户。
youdao