I'm not aware that there is such a thing as Southern art," Said Shelby, "At least not if you're defining it by technique.

我并没有意识到,还有以南方为流派的艺术",谢尔比说,"至少没有从艺术技巧方面区分的流派

耶鲁公开课 - 美国内战与重建课程节选

And the butterfly does appear in just one moment, and it's during the tennis scene. As Humbert and Lolita play, there is one butterfly that flits between them. It's a mark of their equality as artists in that moment.

那蝴蝶曾经在短短的一瞬出现过，那是,在那个打网球的场景里，当亨伯特和洛丽塔打球的时候，一只,蝴蝶从他们中间飞过，它标志着他们在那个时刻是艺术家。

耶鲁公开课 - 1945年后的美国小说课程节选