Place it near the end of an edit, after the over-the-top reaction has played out, so it closes the scene instead of opening one. Follow it with the Sad Violin for a mock-serious finish, or put Oh My God Wow just before it when a shocked reply needs a closing line.
關於此聲音
This is a spoken reaction clip built around the line 'I didn't care anymore,' delivered in a flat, unbothered voice over about sixteen seconds. It lands as a deadpan shrug in audio form, funny because the speaker sounds completely finished with the conversation. It works best as a blunt reply when pretending to care would take more effort than giving up.