The slogan "still the original formula, still the familiar taste" is a classic marketing strategy based on products or services, which establishes the trust and loyalty of consumers by emphasizing the basic invariance and consistent Excellence of products or services.

The "original formula" and "familiar taste" in this sentence can mean that the characteristics, functions and quality of products or services remain unchanged, and can also mean the stability of brand image and the familiarity and affinity of consumers to products or services. The role of this kind of advertising language is to make consumers feel at ease and trust in products or services, and to have a sense of identity and loyalty to the brand.

At the same time, this sentence is concise and easy to remember and spread, which can attract consumers' attention and improve brand awareness and exposure. In short, the slogan of "still the original formula, still the familiar taste", through the use of classic marketing strategies, emphasizes the stability and Excellence of products or services, as well as the continuity of consumer experience, which has a positive effect on building brand loyalty and consumer trust.