Do you handle letters of credit?

你们办理信用证吗？

The Bank of America grants them unsecured letters of credit.

美国银行授予他们无担保信用证。

The two letters of credit shall be opened against each other.

两张信用证应以对开的方式开出。

Payments by letters of credit ensures that the sellers paid in time.

纳入信用证保护的酬劳会确保卖方即时得酬。

In most cases international transactions are paid by letters of credit.

多数情况下，国际贸易是用信用证支付的。