"And they exchange cards, they sometimes decorate nice little boxes so they can put valentines in each other's box in school."

VOA: special.2010.02.08

We have a couple of singing valentines. Can we deliver them now?

我有一些音乐卡片，我能发一下吗？

耶鲁公开课 - 1945年后的美国小说课程节选