By means of an irrevocable, confirmed L/C payable by draft at 30 days sight.

凭不可撤销的、保兑的信用证见票30天付款。

youdao

The Buyer should accept the documentary draft at 20 days’ sight upon the presentation and make payment on the maturity.

买方对卖方开具的见票后20天付款的跟单汇票于提示时应予以承兑，并应于汇票到期日付款。

youdao

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。

youdao

The students lost several days of sight-seeing.

VOA: special.2009.07.14

The grand mustaches of Turkish lore are these days a rarer sight in Turkey's gleaming office blocks and sprawling shopping malls.

WSJ: Need a Mustache Transplant? Visit Turkey

The Mars Observer, launched in 1992, dropped out of sight three days before it was scheduled to enter orbit.

NEWYORKER: The Martian Chroniclers

He had refused to surrender his licence despite failing an on-the-spot eye sight test three days earlier.

BBC: Young drivers warned over eyesight by South Wales Police