高铁乘座的旅客之所以如此之少，主要的原因在于它的客票价格过高；高速铁路的票价通常是普通列车票价的两倍，甚至更高。

The main reason for the high-speed rail low attendance is that fares are too high; the high-speed railway ticket prices are usually double or higher than normal train fares.

youdao

有一种普通的不定期客票，没有任何限制，可以提前购买，也可以当天购买。

There's a standard open ticket which doesn't have any restrictions. This can be bought in advance or on the day.

youdao