1. I used to be a patron of this restaurant until their food got worse.2. "Thank you for coming. Please patronize our restaurant again in the future."3. Our reward programs enable us to reward you for continuing to patronize our restaurant.
老主顧 主顧 光臨
 patron patronize
patron 就是老主顧的意思，patronize 就是光顧某家店的意思，通常是餐廳