So this diet, although it's processed by a company and sold for people doing animal studies, it more or less mimics what these animals might be eating under natural conditions.

尽管这些食物经过商业加工,并用于动物科学研究,但会尽可能的模拟,实验动物在自然环境下的饮食

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

And our third example touches on not when you are expressing a level of certainty,

接下来的第三个例句并不是用于表示某种程度的肯定，

I'm sure 课堂 - SpeakingMax英语口语达人

There are services now, we don't know yet how to get those stem cells out of cord blood and how to use them for therapies, but it's reasonable to think that we might know about this in 30 years.

现在已经有提供这样的服务了,我们现在还不知道如何从脐带血中,提取这些干细胞并用于治疗,但有理由相信,在未来的30年内我们会知道的

耶鲁公开课 - 生物医学工程探索课程节选