( A/S, a/s) () written on a bill of exchange to show that the bill should be paid within a particular period after it has been given to the person who has to pay it 见票後（汇票上注明汇票的付款人须在见票後一定时期内付款）◆The letter of credit is payable 30 days after sight. 本信用证为见票後 30 天付款。➡at sight