附件是⋯⋯,请参阅
Please kindly find the attached ⋯⋯Attached please kindly find the ⋯⋯Enclosed is the ⋯⋯ , please kindly find it
Attached you will find⋯⋯ , 我已经收到您的邮件
I have received your email (yesterday/last week/this morning⋯⋯ )
Your email has been received
非常感谢您的回信
Thanks very much for your early reply
Thank you for your email
我明白您的意思
I know what you mean
I understand what you mean
Got it
(* 非常口语化,适合于关系很熟悉的同事朋友之间
)我不太明白您的意思
I do not quite understand what you meant
I have some problem understanding what you meant
您能具体解释一下么
您能在说的清楚一点么
Could you please put it in a clearer way
Could you please explain it in detail
Could you please further explain it
What do you mean exactly by saying⋯⋯
如有问题,请随时和我联系
Contact me if you have any problem
If there is any uncertainty, feel free to contact me