The Office

''是誰打開了車尾箱?''
那打字員在打字房打著字問其他的打字員.

B-side

"On a few occasions, the B-side became the more popular song.
This was usually because a DJ preferred the B-side to its A-side and played it instead.
Then the B-side would in a sense become the A-side, by virtue of being the preferred side."


That's why this thing is called ''B-side''.