documentary credit的用法和樣例：
例句
- Collection bill purchased means that the remitting bank purchases the documentary bill drawn by the exporter on the importer.
托收出口押匯是指托收銀行買入出口商向進口商開立的匯票。 - Drafts drawn hereunder must bear documentary credit number and date.
此處簽發的匯票必須註明本跟單信用證的編號和日期。 - The revolving documentary credit may be revocable or irrevocable, and may revolve in relation to time or value.
循環跟單信用證可以是可撤銷的或不可撤銷的，金額循環的或時間循環的。
