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 singlestroke.
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。
2
The compressed symbol allowed the transcriber to complete the letter in a singlestroke.
这个压扁的符号让誊写者用单笔划结束书信。
3
A proposal like this could transform a miserable jobs picture into a tolerable one, at a singlestroke.