For a small size of goods on advertised promotion , we feel it unnecessary to have a letter of credit opened since the charges resulting there from would increase our cost account 对于用广告推销的少量商品，我们认为没有必要开信用证支付，因为由此产生的费用会加大我们的成本。
Our usual terms of payment is by confirmed and irrevocable l / c at sight in our favor , available for full invoice value to be opened by a bank we recognize 我们的付款方式，一般是以保兑的、不可撤销的、以我公司为受益人的、按发票金额见票即付的信用证支付。该信用证应通过我们认可的银行开出。
The balance of seventeen thousand five huandred u . s . dollars is to be paid either by an irrevocable and confirmed letter of credit or by money transfer to the following bank accout five days prior to shipping 余额17500美元，拟以不可撤销的保兑的信用证支付或者在装运前5天电汇现款到以下银行账户。
