9.9 What is the routine of charging 1 yuan phone bill?

playing with vagueness in the process of top-up advertising. 9.9 The routine of charging telephone charges in 1 yuan plays a big role in the advertising process of charging telephone charges, establishing a direct causal relationship between the charging of 29.9 yuan and the telephone charges in 1 yuan, and does not inform consumers of the specific rules and procedures of charging telephone charges, as well as the conditions and thresholds for getting preferential treatment, and induces consumers to fall into a "trap", which obviously constitutes false propaganda, consumer fraud and so on.