https://online2.tingclass.net/lesson/shi0529/10000/10090/sochappen15.mp3
https://image.tingclass.net/statics/js/2012
A: I went to an interesting rave last night.
B: What was so interesting about it?
A: It was called a silent rave.
B: How can you have a rave without music?
A: Everyone wears headphones and dances to the music.
B: That doesn't sound very fun.
A: It is very convenient.
B: How can it be convenient?
A: To talk to someone, you just take off the earphones.
B: Wow! That does sound convenient.
A: Best of all, I got a cute girl's phone number.
B: Now I see why you liked the rave so much!