英语翻译非常抱歉回复晚了,由于今天她今天不在办公室,我还要负责她的事务.请谅解.请告知下面的邮件内容是否OK,如果还需要

外贸邮件吧
I'm very sorry for replying late.(I apologise for the late reply)
she was not in the office today,so I will be responsible for her business.(不能用affair,因为affair有绯闻的意思,会造成误会)
Please understand.（用your understanding will be highly appreciated.更好）
Please let us know the following E-mail content is OK,and if there is any need to modify,please inform me,I will reply as soon as possible.
希望有所帮助

Very sorry for late reply, because she is not in the office today, I am also responsible for her affairs.
Please understand.

I am Very sorry for the late reply for she is not in the office today while I am responsible for her affairs. Please understand and inform the below email content is OK or not, if you need to modify, please inform me and I will reply as soon as possible

Very sorry for late reply, because she is not in the office today, I am also responsible for her affairs.
Please understand.
Please inform the below email content is OK, if you need to modify, please inform me, I will reply as soon as possible.