usance draft

基本解释

Acceptance of draft: in the case of a usance draft, for example, at 120 days' sight, it must be presented to the drawee for acceptance.
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。
Are the expressions of sight draft time draft usance draft and letter of credit adequate terms to express the different methods of payment!
即期汇票，定期汇票，远期汇票和信用证等专用语是否足以表述各种不同的付款方式呢？
W: Are the exprssions of sight draft, time draft , usance draft and letter of credit adequate terms to express the different methods of payment?
W：即期汇票、定期汇票、远期汇票和信用证这些术语足以表示不同的付款方式了吗？