One of the most obvious things about a red blood cell is it doesn't have nucleus, it has no nucleus.

红细胞最为明显的不同就是,它是无核的,它没有细胞核

耶鲁公开课 - 生物医学工程探索课程节选

The first and most obvious thing to say about the Republic is that it is a long book.

首先也是《理想国》,最明显的特征,就是其厚度。

耶鲁公开课 - 政治哲学导论课程节选