Victor：Hello! 大家好，我们是戴尔老师Victor。
Nancy：Nancy.
Victor：Nancy，今天是非常重要的一天。
Nancy：Today is National Day.
Victor：所以听众朋友们。
Victor&Nancy：Happy National Day!
Nancy：OK! National Day is when you celebrate the founding or the begining of the country.
Victor：恩，这一天就是庆祝建国日。
Nancy：Now, in the America, Victor. We don't say National Day. We say Independence Day.
Victor：恩，在美国呢，这一天就叫做独立日。
Nancy：It's the day we won our independence from Great Britain July 4th.
Victor：美国的独立日就是7月4号。
Nancy：Today is National Day.
Victor：Today is National Day.
Victor&Nancy：Happy National Day!