请回答「Knock Knock 世界」NO. 250928

Group 1 - The article discusses the concept of "menstrual shame" and aims to desensitize young audiences to this topic through the "Knock Knock World" podcast [2] - It highlights the growing interest in pre-prepared meals in the restaurant industry, particularly mentioning the case of Xibei and the public's reaction to it [2] - The article raises questions about the quality of school lunches in Shanghai and the lack of attention from the education authorities regarding this issue [2] Group 2 - The "Knock Knock World" podcast is produced by "Shengdong Huopo" and "Shifen Zhi Yi," targeting young audiences to explore global news and diverse thinking [7] - The podcast releases episodes every Monday, Wednesday, and Friday at 6:00 AM, with each episode lasting approximately 10 minutes [9] - The first season of "Knock Knock World" is available on major audio platforms, with a subscription price of 365 yuan per year [10]