Group 1 - The article promotes the benefits of using credit cards for travel, emphasizing the value and discounts available for cardholders [1] - It highlights the convenience and advantages of using credit cards for various travel-related expenses [1] - The content suggests that every travel experience can be enhanced through the use of credit cards, making it more rewarding [1] Group 2 - The article mentions that China Construction Bank only provides credit card payment services, while the products and services are offered by related merchants [3]