Joice: Next is a ballet performance, but who is the dancer?
Emily: I'd swear that's Eddy from circulation.
Joice: Since when did Eddy start doing ballet?!
Emily: Not very long from the looks of it!
Joice: Look! He has a partner!

circulation (n.) 　
流通，发行量。这里是指「发行部」 circulation department

ballet (n.) 　
芭蕾
A: Brenda moves very gracefully. 布兰达的举止很优雅。 B: I know. She was a ballet dancer when she was younger. 我知道。她年轻的时候是芭蕾舞者。

乔伊丝：接下来是芭蕾舞表演，不过是谁在跳啊？
艾蜜莉：我看好象是发行部门的艾迪。
乔伊丝：艾迪打什么时候开始跳芭蕾的？！
艾蜜莉：看这德性就知道不会很久！
乔伊丝：看！有新舞伴加入了！