A usance bill is an indication that the seller has agreed to give the buyer some credit.远期汇票表明：出口商已经同意给与进口商一定信用期限！
A usance credit obviously calls for a time draft, and the usance <I>var</I>ies from 30,60, to as long as 180 days.远期信用证显然要使用远期汇票。付款期限可为30天，60天甚至可长达180天。
A usance credit obviously calls for a time draft, and the usance varies from 30,60, to as long as 180 days.远期信用证显然要使用远期汇票。付款期限可为30天，60天甚至可长达180天。
A usance credits obviously calls for a time draft, and the usance varies from 30,60 days to as long as 180 days even lon远期信用证显然要使用远期汇票。付款期限可为30天、60天甚至可长达180天。
Acceptance of draft: in the case of a usance draft, for example, at 120 days' sight, it must be presented to the drawee 承兑汇票倘若使用远期汇票，比如120天远期，它必须向受票人提示并由其承兑。