The principle of suggestive function refers to suggesting the characteristics or advantages of products in an obscure way in advertisements, thus arousing the curiosity and interest of the audience. At present, many brands on the market have applied the principle of suggestive function. Here are some examples:

1. Apple: Apple's advertisements have always been known for their simplicity, elegance and sense of technology, among which the most famous slogans are "Think Different" and "Designed by Apple in California", implying Apple's brand concept of focusing on innovation and design.

2. Coca-Cola: Coca-Cola's advertisements have always been famous for joy, friendship and enjoyment, among which the most famous activity is "Sharing a Coke", suggesting that Coca-Cola is a brand that can bring happiness and sharing to people.

3. Nike: Nike's advertisements have always been famous for their sports, passion and freedom, the most famous of which is the slogan "Just Do It", which symbolizes the confidence and adventurous spirit of Nike brand.

4. Chanel: Chanel's advertisements have always been famous for luxury, elegance and self-confidence, among which the most famous is the iconic brand image of "coco chanel", which symbolizes the nobility and classics of Chanel brand.

The advertisements of these brands skillfully use the principle of suggestive function to convey the values and characteristics of the brands in a subtle way, thus attracting consumers' attention and interest.