免息期 从交易发生到最终持卡人银行付款并借记信用卡帐户之间这段时间
The interest-free period is the time between the occurrence of a transaction and the final payment made by the cardholder's bank and the debit to the credit card account
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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