One can stop spread of disease through a community without being 100% effective in each person who gets the vaccine.

疫苗能够遏制疾病在整个社区中传播,虽然对于每个人来说它并非百分之百有效

耶鲁公开课 - 生物医学工程探索课程节选

Here you have somebody who's happy, at ease, and completely secure that there will be food around the corner.

右边的人轻松乐观,百分百确信面包总会有的

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

So, it looks like this is good, because we'll have some separation in terms of not everyone's going to get 100% in terms of recitations here, which is what we're going for.

这看起来挺好的，因为我们总会有些分别,不是每个人都能百分之百做对所有习题%,而让每个人都能做对正是我们所追求的。

麻省理工公开课 - 化学原理课程节选

So, none of you in this room, I'm 100% confident, never ever got a smallpox vaccine.

所以我百分百确信这间教室里所有人,没有一个人接种过天花疫苗

耶鲁公开课 - 生物医学工程探索课程节选