高铁的出现大大方便了人们的出行The emergence of high -speed rail makes it easier for people to travel.缩短了人们出行的时间，扩大了人们出行的范围.It shortens people's travel time and expends the scope of people's travel.交通改变了.It has greatly changed traffic.
The emergence of high-speed rail greatly facilitates people's travel, shortens the time of people's travel, expands the scope of people's travel, and changes people's life..
