What do you know about the 4th of July A.K.A. American Independence Day? How is it celebrated? Why is it so important to Americans? What do they eat? What do they do? How is it similar or different to Chinese National Day? Let's talk about this very important holday in the unique and relatively young U.S.A. A country of proud and sometimes not so proud sons and daughters of immigrants on its 243rd birthday!你对7月4日美国独立日了解多少？这个节日是怎样庆祝的？为什么独立日对于美国人特别重要？在这一天应该吃什么，做什么？美国独立日与中国的国庆节有什么相同与不同之处？我们就在美国第243个生日这一天聊一聊这个重要节日，聊一聊美国这个年轻的移民国家（尽管有些美国人以此为豪，有些人并不）。