The course seems to presume some previous knowledge of the subject.

这门课程似乎是以具备某些基础知识为前提的。

《牛津词典》

A human can sometimes make inferences based on previous knowledge.

人们有时可以根据前面的知识进行推断。

youdao

No previous knowledge of mathematics or physics is necessary.

读者也不必先得有数学和物理的知识。

youdao

It's simply material found on page fifteen of your textbook but let's review it. We say this is a beginning course so we assume no previous knowledge.

这是你们教材十五页上的一些简单材料,我们复习一下,我们说这是个入门课程,所以假设之前你们没有任何相关知识

耶鲁公开课 - 聆听音乐课程节选

So, again, my answer previously was based on previous knowledge of the military operation, which the President did not have.

WHITEHOUSE: Press Briefing

To play, no previous knowledge of proteins, biochemistry or biology is required - all a user has to have is a computer and an internet connection.

BBC: Online game Foldit helps anti-Aids drug quest

Genetics has also begun to pinpoint major key players and pathways that are involved and that are associated with previous knowledge and understandings on neurology and physiology.

FORBES: Specter Of Wakefield Retractions Haunts Evidence Of Gut Inflammation In Autism