1, market positioning. Dadong is more advanced and elegant, suitable for business banquets or family gatherings, and Dongdong is relatively close to the people, which is more suitable for daily family dinners or friends gatherings.

2. price. Dadong's per capita consumption is higher, while Xiaodong's price is more grounded and cost-effective.

3. Dining environment. Dadong's tables are far apart, creating a spacious and comfortable dining environment, while Xiaodong is relatively compact and suitable for small parties.

4. Style of dishes. Dadong's menu is heavier, offering more creative dishes and desserts, Xiaodong's menu is simpler, and green leafy vegetables are more affordable.