问题描述：
谁能把这句英语的大概意思告诉我
it is important to destroy the testing documents and confirm that fact by returning letter duly signed as soon as the other bank receives the canceling letter.
it is important to destroy the testing documents and confirm that fact by returning letter duly signed as soon as the other bank receives the canceling letter.
问题解答：
我来补答展开全文阅读