Place it at the moment a reward is requested, then follow a successful close with the here comes the money cue to show the payoff was earned. For a failed attempt, let it stand alone as the verdict before the next scene.
關於此聲音
A man delivers the line 'Coffee is for closers only' in a flat, commanding voice over about six seconds, turning a coffee break into an ultimatum. It feels tense and confrontational, like a dressing-down meant to shame half-effort and push someone to actually finish the deal.