So, we want to make sure that this is something the entire class is 100% solid on.

所以，我希望确保的,是这是全班100%都弄懂的问题。

麻省理工公开课 - 化学原理课程节选

So I wanted to make sure you have a complete set for hydrogen in your notes.

我希望你们能确保,你们笔记上氢原子轨道图是完整的。

麻省理工公开课 - 化学原理课程节选

You want to give it to people in different communities, to make sure that it works in all the subpopulations where the vaccine's potentially valuable.

研究者希望将疫苗分接种于不同人群,以确保疫苗适用于所有人,这样才能体现疫苗的价值

耶鲁公开课 - 生物医学工程探索课程节选