Group 1 - A new wave of cold air has led to a rise in demand for warm foods and beverages, contributing to the "warm economy" during autumn and winter [1][3] - The sales of hot drinks have significantly increased, with brands like Tea Baidao reporting a surge in demand for their new "cake milk tea" product, which sold over 350,000 cups on its first day [1][3] - The "cake milk tea" series is inspired by French brulee and semi-cooked cheese cakes, offering a layered drinking experience with ingredients like fresh pudding and New Zealand dairy cream [3] Group 2 - The concept of the "warm economy" combines temperature and emotional consumption, where consumers are not just purchasing items for warmth but also for the immediate emotional experience they provide [3]