我这样对你，该怎么向你表示歉意呢？

How can I make up for the way I've treated you?

《牛津词典》

我写信的目的是对自己突然的不辞而别而向你表示歉意，但不管怎么说，我想让你知道我真的珍惜我们的友谊。

I am writing to say sorry to you for my abrupt leaving without giving you any notice, but anyway, I want to let you know that I really value our friendship.

youdao