对背信用证（Back to Back I/D）又称转开信用证，指受益人要求以原证的通知行或其它银行以原证为基础，另开一张内容相似的新信用证。
参考答案：对
在DOS流程的执行过程中，我们应该在（）环节中向客户介绍售后以增强客户信心。
A.客户应对与咨询
B.试乘试驾
C.购车交易
D.促进成交
------Mom, I don’t want to ________, but I broke your favorite glass by mistake.
------It doesn’t matter. Be careful next time.
A．make you excited
B．make you down
C．put you down
D．let you down
