求助翻译 由于电脑故障，导致丢失了你之前提供说明的那封邮件

Due to computer failure, (I regret to let you know that) your previous email providing instruction (description) has been lost.

由于电脑故障，导致丢失了你之前提供说明的那封邮件

Because of computer fault, the expositive letter you provided was missing