Place it immediately after the setup in a comedy edit, then follow it with Nelson's Ha-Ha for a second reaction or cut to Sad Violin when the scene turns awkward.
關於此聲音
This clip is a roughly nine-second burst of 'ahah' laughter, a single human voice laughing in a light, open way that keeps going long enough to fill a reaction. It feels playful and contagious, the kind of laugh that makes a silly moment feel bigger and invites everyone nearby to join in.