干演员这一行需要百分之百的投入。

A career as an actor requires one hundred per cent commitment.

《牛津词典》

我不认识他，他是百分之百的陌生人。

I don't know him—he's a perfect stranger.

《牛津词典》

这件事并非百分之百的成功。

The event was not an unqualified success.

《牛津词典》

So, in terms of what it is that you need to prepare and bring with you for the exam, you need to bring your MIT ID, especially if you haven't been showing up regularly to your recitations and you aren't 100% sure if your TA knows exactly who you are, you need to make sure you have your MIT ID with you.

那么，关于你需要做哪些准备,考试可以带哪些东西，你需要带着你的学生证，尤其是如果你没有经常地参加,习题课,你不能百分之百保证,你的助教确实认识你，那么你更得确保自己到时带着学生证。

麻省理工公开课 - 化学原理课程节选

So I mean, people can be really smart or have skills that are directly applicable but if they don't really believe in it, then they're not going to really work hard and they're not going to even if they're smart guy who doesn't have the relevant experience, they're not going to care enough to develop the relevant experience in order to succeed.

就比如说，一个人不仅聪明,而且也有拿来即用的技能,但是如果对于自己的事业没有认同感，他就不会,百分之百的付出,就算他是属于,缺乏经验但智力超群的那类人，他也不会有意识地,为了成功而积累自身经验。

斯坦福公开课 - 扎克伯格谈Facebook创业过程课程节选