Grandpa: Wow, a library! There was no library in my old school.
Sarah: Tell us about your school, please.
Grandpa: There was only one small building on a hill.
Wu Binbin: Could you see stars at night?
Grandpa: yes, I liked the stars
Sarah: Me too. One day I'm going to visit the moon.
Wu Binbin: The Americans took about five days to get there in 1969
Sarah: How do you know that?
Wu Binbin: Easy, I looked it up on the Internet.
Grandpa: Ah! There were no computers or Internet in my time.
was he boring (无聊)? What did he do at night?
I look new words up in the dictionary.