A:I think high-speed passenger train will be more successful than plane.
B: why do you think so?
A: First of all, it's convenient.As we all know ,airports are usually built far away from downtown, it's not easy for us to get there.
B:Yes, that's a fact.Then?
A:It's safer than plane.
B;I agree with you.What's more,You can relax youself by watching the wonderful scene out of the windows.