翻译－这麼迟回电邮给你,不好意思...

I'm sorry to reply to your an e-mail so late. But my brother and I went traveling before.

So back to the late e-mail to you, I really sorry, this is because earlier brother and I went to travel

I'm terribly sorry for writing you back after such a long time. It's just that I went out for a trip with my younger brother earlier.

I am really sorry of my late replying email to you. It is because my brother and I went traveling previously