我希望得知信件的发出日期。的翻译：I hope that the date of issue of that letter. 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

I would like to know the date of the letter.

I hope that the date of issue of that letter.

I hoped knew the letter sends out the date.

I want to know the date of issue letters.

I hope that the date of issue of that letter.