求翻译：(1) 因为只有当顾客忠诚度上去了，餐厅回头客的数量增加了，才表明餐厅的菜品质量、环境氛围、服务水平等得到了顾客的认可，这样餐厅才有可能借助这部分忠诚度较高的顾客是什么意思？

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( 1) * because it is only when the customer loyalty, when restaurant firsthand the increase in the number and can only show that restaurant dishes, quality, environmental atmosphere and level of service as well as others, have been recognized by customers, so that they might draw upon this Part a hi

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(1) because it is only when customer loyalty enhanced, increased number of repeat customers of the restaurant, that restaurant's dishes, such as quality, environment, services, be recognized by the customer, this restaurant is possible with the help of the higher part of the loyalty of customers

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