A：Mike，let's talk about the future. I think it always makes us excited.
B：I agree with you
A：I think every home will have a car.
B：But I think cars will make more pollution.
B：Sounds great！Do you think people will have more free time in the future?
A：Yes. They'll help people do some work.
B：I hope so
A：No，I think more people will live in the countryside in the future.
A：Because the air there is very clean.It is good for people's health
B：You are right.
A．That's because there will be more robots.