I've made a rough draft of the letter.

我已经写好这封信的草稿。

《牛津词典》

Dr Paabo says he will have a rough draft of the entire Neanderthal genome within two years, and that he has devised a way to make pyrosequencing ten times faster.

paabo博士说两年内他将得到尼安德特人的全基因组草图，同时他还设计了一种方法使得焦磷酸测序加快十倍。

youdao

A few days after the call from Ms. Cahill, I was back in my hotel room in Springfield, making notes for a rough draft of the speech while watching a basketball game.

在接到卡西尔女士的电话的几天后，我回到了我在斯普林菲尔德的酒店房间，一边观看篮球比赛，一边为我的演讲打草稿，写下发言要点。

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

After a rough draft is down, the design team looks deeper into ways to display the information in an interesting way.

FORBES: The Making of an Infographic: The Content Grid v2