The government ' s policy is to develop railways as the backbone of our public tra ort system 政府政策是以铁路为公共交通系统的骨干。
2.
I also think it ' s because they are a bigger part of the overall tra ort system here 我也认为这是因为出租车行业是北京交通系统的一个较大的组成部分。
3.
The expanded network will also increase the railway ' s share of the public tra ort system from 31 to 43 per cent by 2016 . ？ ？ 新路线兴建后，在2016年之前会有百分之四十三乘搭交通公具的人使用铁路，现时的比率是百分之三十一。
