https://online2.tingclass.net/lesson/shi0529/10000/10090/nature08t.mp3
https://image.tingclass.net/statics/js/2012
A: Aren't waterfalls beautiful?
B: I think they're terrifying.
A: Why do they scare you?
B: People fall off them all the time.
A: Do they live?
B: Of course not.
A: As long as you don't swim in them, you're safe.
B: They are still dangerous.
A: People are the ones who make the danger.
B: I suppose you're right.
A: Do you still think they're terrifying?
B: A little, but they're beautiful, too.