Professor Yoshino explains. "Shakespeare calls this a problem of ocular proof, the idea that we need to see evidence before we believe in it -- and that,oftentimes, when metaphysical questions of guilt or innocence are difficult for us to answer, we have a tendency to reduce them to questions that pertain to physical evidence.

VOA: special.2011.06.06

We need what? We need evidence.

我们需要什么，需要证据。

麻省理工公开课 - 固态化学导论课程节选

But I think it is something that we would need evidence for I'm very much an empiricist on those things.

但我觉得我们需要证据来证明,在这方面，我真的是一个经验主义者。

普林斯顿公开课 - 人性课程节选

If we're focused on the work of art in and of itself, on the poem, we obviously in thinking about what it means need to come to terms with three kinds of evidence."

将注意力放在艺术作品本身或者说诗本身上，很显然，如果我们想考虑它所表达的意思的话,我们必须对三种证据作出让步“

耶鲁公开课 - 文学理论导论课程节选

We need experimental evidence.

需要实验证据。

麻省理工公开课 - 固态化学导论课程节选