Place it at the cut where a character exits, then follow it with the Law and Order Dun Dun sting to close the departure, and keep the SpongeBob Sad Song for a later farewell instead of stacking the two exits together.
关于此声音
This longer Scrubs clip runs about thirteen seconds and features JD explaining the sound he imagines in his head whenever someone leaves the room, a drawn-out bowowww that stands in for the exit. It feels playful and deliberately awkward, like a private joke made out loud, and it comes from that television comedy.