Tickets for the city tour cost forty dollars for adults and twenty for children.

市區導覽的票價成人四十美元，兒童二十美元。

The training program is designed for adults returning to the workforce after a long break.

這項培訓課程專為長期休息後重返職場的成年人設計。

Customer service confirmed that each booking must include at least one adult traveling with minors.

客服確認每筆訂位都必須包含至少一位陪同未成年人的成人。