So, the fact that--so, the experiments as I have described them are to some extent ambiguous.

事实上，这些实验,正如我所说，有一定程度的模糊性。

耶鲁公开课 - 心理学导论课程节选

Cause and effect below a certain level of definition is blurred.

在某种程度的定义的下的,因果关系是模糊的。

麻省理工公开课 - 固态化学导论课程节选