Tickets are expensive but you can find cheap fares by booking eight or nine years in advance of travel.

车票很贵，但如果你提前个八、九年预订，还是有廉价票的。

youdao

Tickets are expensive but you can find cheap fares by booking eight or nine years in advance of travel.

车票很贵，但如果你提前个八、九年预订，还是有廉价票的。

youdao