-McDonald's brand ambassador refers to the spokesperson hired by McDonald's company to enhance the brand image and publicity. These spokespersons can be celebrities, athletes, bloggers and people in other fields. They will communicate with consumers through advertisements, social media and other means to enhance the awareness and affinity of McDonald's brand in the public mind.
-Abbreviations of luxury brands refer to the abbreviations used by luxury brands. For example, LV stands for Louis Vuitton and Gucci stands for Gucci. These abbreviations are usually a combination of an important word or initials in the brand name, similar to slogans or symbols, aiming at highlighting the unique charm and status of the brand. These abbreviations are generally used in advertisements, labels or design elements to arouse consumers' recognition of their luxury and high-end value.