I've made a rough draft of the letter.

我已经写好这封信的草稿。

《牛津词典》

Better to hammer out a rough draft and revise later than spin your wheels for hours.

比起在耗费几个小时而没有进展不如列出一个粗略的草案，然后再修改来得好。

youdao

Still, he pressed on, and at the end of July was predicting a completed "rough draft" by October.

一如既往，他再度改期，到了七月尾他预计十月能完成初稿。

youdao

It was not a rough draft and we should not treat it as such.

CNN: Flag desecration amendment fails in Senate

I'm writing it with someone and we have a rough draft, but we're re-writing it.

CNN: The freed man

The presentation is you actually speaking, so you have to edit the rough draft of you actually speaking.

FORBES: Should I rehearse, and for how long? -Presentation Training