Yes Buffet, also known as dinner and sometimes buffet dinner, is an informal western-style banquet internationally, especially in large-scale business activities. All snacks in Osaka have toilets, and all restaurants are equipped with toilets. Toilets are essential, and people's daily urine output can reach 1000 to 2000ml. Everyone's urine volume is different, even the same person will be affected by temperature, water consumption and even exercise.