妈妈，圣诞树装饰好了。
妈妈: Oh, well done.
噢。做得真好。
儿子: Why do we put a tree in our house during the Christmas?
为什么圣诞节的时候我们要在家里放一棵树呢?
妈妈: It’s a tradition, sweetheart.
这是个传统，甜心。
儿子: How does this tradition come from?
这个传统是怎么来的?
妈妈: It comes from long, long ago. You can try to find out the answer by yourself.
很久很久以前来的，你可以试着自己去找找答案。
儿子: Where can I search?
我能在哪里找呢?
妈妈: The Internet and the books, and there are many book on this subject.
网络或者书啊，有很多关于这方面的书。