我深知任务艰巨，并不存有幻想，但前进的道路是明确的。

I have no illusions that this will be easy, but the contours of a way forward are clear.

youdao

况且CI接口的使用也不存有知识产权使用费的困扰。

Besides, the use of CI does not incur the issues of royalty.

youdao

难道你不觉得有吗？爱的行动就不存有任何动机，而其他任何行动都有其动机。

Don't you think there is? The action of love has no motive, and every other action has.

youdao

We did not yet have good methods for screening blood to look for HIV, we didn't have the ELISA technique that I--we talked about in section a few weeks ago and so there was a great concern that there might be other diseases that you'd be passing on from-- unknowingly from this subset of patients that you're isolating the vaccine from.

那时我们还没有一种好的方式,来从血液中筛查出HIV,也还没有ELISA技术,该技术我们在几周前的一个章节中谈到过,因此,那时仍存有,很大的担心,那就是你有可能,在不知情的情况下,被那些病人,感染上其它疾病,因为疫苗就是从他们身上提取出来的

耶鲁公开课 - 生物医学工程探索课程节选