Two people. Traveling for two people, one person is free, is a marketing strategy, which means that two customers consume the same thing together, and only need to spend one person's money, and the other can be free. From tea shops and restaurants to tourist attractions and airlines. Because this activity is simple and rude, and the effect of the activity is still very good. This marketing strategy can accelerate the consumption of inventory products and increase turnover in a short time; Stimulate old customers to participate in activities and increase customer stickiness and activity; Two people walking together can add new customers; More customers enter the store, which increases the visibility of the store and the enthusiasm of employees.