请回答「Knock Knock 世界」NO. 251116

Group 1 - The article discusses various societal and economic issues, including population aging and declining birth rates, which are significant concerns in contemporary discussions [5] - It highlights the recent U.S. government shutdown due to the failure to pass the budget for the fiscal year 2026, clarifying that this situation is not merely a lack of funds [6] - The article mentions the launch of the podcast "Knock Knock World," aimed at engaging youth with global events and ideas, emphasizing its educational value [8][10] Group 2 - The podcast "Knock Knock World" is produced in collaboration with "Voice Movement" and is available on multiple audio platforms, with a subscription price of 365 yuan per year [11][12] - The content of the podcast is designed to open up global perspectives and encourage diverse thinking among teenagers [10] - The article suggests that the Hainan Free Trade Port serves not only as a shopping destination but also as a gateway to future opportunities for Chinese youth [8]