Core Viewpoint - The research conducted by Professor Song Zheng and his team at the Chinese University of Hong Kong indicates that Hong Kong residents' consumption in mainland China does not negatively impact their spending in Hong Kong [1] Group 1: Consumption Patterns - Hong Kong residents primarily spend on life services in mainland China, while their consumption in Hong Kong is focused on retail and dining sectors [1] - The consumption of Hong Kong residents in mainland China has expanded from major cities like Shenzhen and Guangzhou to second-tier cities in the Greater Bay Area, such as Zhongshan and Jiangmen, as well as to cities like Chongqing and Changsha [1] Group 2: Cross-Border Consumption Trends - The trend of Hong Kong residents traveling to mainland China has been facilitated by the convenience and widespread adoption of payment methods, leading to significant consumption spillover [1] - The number of trips made by Hong Kong residents to mainland China has returned to pre-pandemic levels, indicating a recovery in cross-border travel [1] Group 3: Overall Consumption Impact - The proportion of Hong Kong residents' overseas consumption relative to total consumption has remained relatively stable before and after the pandemic, suggesting that spending in mainland China has not displaced consumption in Hong Kong [1]