China's operating high-speed railways (HSR) now exceed¹ 20,000 km² in length with the opening of a line linking Zhengzhou in Henan with Xuzhou in Jiangsu.

近日，河南郑州至江苏徐州的高铁线路开通，标志着我国高铁运营里程现已突破2万公里。

The 360-km line has nine stations and trains run at a speed of up to 300 km per hour in the initial³ period.

郑徐高铁全长360公里，设9个车站，初期列车运行时速达300公里。

The line connects the west with two major north-south lines, helping⁴ cut travel time between west and east.

这条线路与两条主要的南北向铁路一起，连接西部地区，帮助缩短从西部到东部的旅行时间。

Huang Xin of China Railway Corp said the first 10,000 km took 11 years and has since doubled in only three years, and is expected to nearly double again by 2025 and reach 45,000 km in 2030.

中国铁路总公司的黄欣表示，高铁运营里程达到1万公里花费了11年，此后只用了三年，里程就翻了一番，并有望在2025年前再增加近一倍，于2030年达到4.5万公里。

In 2015, China's high-speed trains carried 961 million passengers, up 237 percent from the number in 2011.

2015年，全国高铁运送旅客9.61亿人次，较2011年增长了237%。

With the coming of high-speed trains, people in Beijing and Shanghai have begun to buy homes nearby cities.

随着高铁的到来，北京和上海的人们已经开始在附近的城市购买房子了。