Place it after the reveal of a free item, then follow it with a short reaction sound for disbelief, and keep a meme sound ready for the moment the group celebrates the deal.
关于此声音
This 32-second clip spells out the word free, letter by letter, in a drawn-out spoken delivery that turns a simple offer into a chant-like moment. It feels playful and teasing, with the slow spelling building anticipation before the familiar word finally lands for the listener.