it is only 40 minutes from the centre of beijing by underground 画线提问对 only 40 minutes ,by underground 画线提问— — — it from the centre of beijing 三个空格

问题描述:

it is only 40 minutes from the centre of beijing by underground 画线提问
对 only 40 minutes ,by underground 画线提问
— — — it from the centre of beijing 三个空格