So what O'Connor does, is she presents a sense of the world imbued with structure and meaning, but a structure and meaning that looks essentially blank.

所以奥康纳所做的是，呈现一个充满了构架,和实义感的世界，只不过这些构架和实义,看起来完全是空无一物的。

耶鲁公开课 - 1945年后的美国小说课程节选

And this structure that I've depicted here using the X's and O's is called the Lewis structure.

我在这儿描述的结构,用X和O表示电子的方式叫做Lewis电子式。

麻省理工公开课 - 固态化学导论课程节选