前台：不过，你要付退票费的。

Receptionist: But you have to pay the fee for refund.

如果您要求退票，我们将收取50%的退票费。

If you want to refund your ticket, we will charge you 50% of fares.

旅客退票须在列车开车前在乘车站或购票站办理，并核收票价20%的退票费。

Ticket refunding must be transacted before the train departs at the train station or agency, with charge of 20% ticket fee.