Here, the likelihood of benefit to the individual is very small - it is estimated that 850 people need to take drugs to lower their blood pressure to prevent a single stroke.

而在这里，单一品种用药获利的可能性是非常小的：假设850人需要服用药物降低血压仅仅是为了防止中风。

youdao

The compressed symbol allowed the transcriber to complete the letter in a single stroke.

这个压扁的符号让誊写者用单笔划结束书信。

youdao

A proposal like this could transform a miserable jobs picture into a tolerable one, at a single stroke.

一个像这样的建议会把一幅悲惨的工作图景改变成为一幅可以忍受的画面，只需一击而已。

youdao

And that would, in a single stroke, address a significant portion of the concern about the so-called fiscal cliff.

WHITEHOUSE: Press Briefing