Put it at the end of a typing sequence, after the Keyboard Typing Sound and just before the Foto Camera Click, so one key press closes the action and the camera sound marks the finished result.
關於此聲音
This is a single, very short mechanical key press with a clean, sharp click and a soft, springy release. It feels oddly calming and satisfying, the kind of tiny sound that makes a listener pause and smile. Its neat, tactile snap works as a small reward in an edit.