[問題]PP-Test2-Listening-22

[frenemy912]

W: That new copy machine in the student lounge is a real pain
M: Why? What's the problem?
W: You mean it. Even just adding paper.
M: Have you looked at the manual? You can catch right next to the machine.

請問"You mean it"在這裡是什麼意思呢? 謝謝