语言总是受到文化背景的影响，并反映文化．语言不同则文化背景必然不同．这些差异会对人们的交际造成误解或对外语学习造成困难．为了避免这种误解和学习上的困难，外语教师有必要在传授语言知识的同时，还应注意英、美文化背景知识的传授． The language is always influenced by the cultural background and reflects the culture. Different languages ​​have different cultural backgrounds. These differences can cause misunderstandings or difficulties in foreign language learning. In order to avoid such misunderstandings and learning difficulties, it is necessary for foreign language teachers to impart language knowledge as well as English and American cultural background knowledge.