2025. Site selection strategy for restaurant chain expansion in urban districts based on maximization of customer attraction and profitability: ACKNOWLEDGEMENTS: This work was Supported by National Key Laboratory of Science and Technology on Helicopter Transmission(Nanjing University of Aeronautics and Astronautics)(Grant No. HTL-O-20K01) and Changzhou Science and Technology Planning Project(CE20225067). International Scientific Technical and Economic Research . (Jan. 2025), 57–70.