So the white bags, this is an image of the breast.

所以把那些白色袋子比作乳房。

耶鲁公开课 - 1945年后的美国小说课程节选

For those of you who are on the run from the FBI, your Visa has run out, or you're sitting next to your ex-girlfriend, now would be a good time to put a paper bag over your head.

被FBI通缉的,签证失效的,还有前女友就坐在旁边的,赶快找个纸袋子把脸给蒙上

耶鲁公开课 - 博弈论课程节选