那正是我们给你这封信的原因用英语怎么写

That's why we sent you this letter

封信───A letter;原因───reason

There was a letter on the mat.───地毯上有一封信。

I'll draft a letter for you.───我来为你草拟一封信。

Take a letter, Miss Singleton.───帮我写封信，辛格尔顿小姐。

There's a letter for you.───有你一封信。

She expressed her disgust at the programme by writing a letter of complaint.───她写了封投诉信，表示对这个节目的反感。

I wrote a letter to Daddy.───我给爸爸写了一封信。

I got a letter from Dave this morning.───今天早上我收到戴夫的一封来信。

A good face is a letter of recommendation.

I received a letter from him in neat script.

I wrote a letter regarding the future of reform.

Between them they concocted a letter.

I got a letter from my sister this morning.