Place it at the opening of a scene, straight after a door knock, so the greeting answers someone arriving, then follow it with a bell ding to mark the introduction before the next line begins.
關於此聲音
This is a one-second voice clip of Chris saying hello in a single clear greeting that is easy to recognise at once. It feels warm and welcoming, like someone greeting you in person rather than shouting for attention, and its brevity keeps the moment light. The straightforward delivery gives it a calm, good-natured charm that suits a quick hello.