B: I'd like to book a flight from Shanghai to new york.
Wait a minute. When do you subscribe?
When will the next school grade order arrive in new york? What is the flight speed?
A: 200 kilometers per hour and arrive in new york at 5:00 p.m.
b； Besides, how many times did he fly?
A: Twice a day.
B: Miss you.
A is not related by blood, is it? I thought of it myself.