What do Ceng Daoren and Miss Bai mean?

Ceng Daoren and Miss Bai are two roles in the Hong Kong lottery, which are widely used in the marketing and hype of the lottery. Ceng Daoren is a legendary Mr. Feng Shui. It is said that he can calculate the winning number by fortune telling. Miss Bai is a psychic in folklore and is often endowed with the ability to predict the winning number of lottery tickets. These two words are regarded as lucky symbols by many lottery players and have certain symbolic significance. When buying lottery tickets, some lottery players will deliberately choose numbers related to themselves, hoping to get good luck.