But we've never met with any experience of a guest sneaking out without paying his bill or a situation where the guest is unable to pay his bill or refuses to pay his bill.

但是我们从未有过客人没有付钱就溜走或者不能付钱，或拒绝付钱的经历。

A guest paying full fare can invite another guest to join the tour at half price.

一个付足费用的顾客可以邀请另一个顾客以一半费用参加本次旅行。

A guest paying full fare can invite another guest to join the tour at half price.

A支付全额费用的客人，每位可以再带一位客人参加旅游，按半价付费。