1. the first statement: the lion's mouth is open and closed, with the mouth open for the exit and the mouth closed for the receipt. Both stand for "cashier". China Merchants Bank, once in and out, will make a fortune!
2. The second way of saying it: Opening one's mouth is to make money, and keeping one's mouth shut is to keep money, constantly explore financial resources and maintain eternal wealth.
3. The third statement: one is male (open mouth), representing majesty and fierceness; One is female (shut up), which means maternal meekness. Balance of yin and yang, steady operation.
4. The fourth statement: Come in and talk more! Go out and talk less! Individuality is allowed internally, and the outfield must be "muffled".