餐厅提供了一杯免费的葡萄酒来庆祝这个场合。

The restaurant offered a ___complimentary glass of wine to celebrate the occasion.

图书馆可以从出版商那里免费获得赠阅本。

Libraries can obtain ___complimentary copies from publishers without any expense.

豪华酒店的客人可以免费使用水疗设施。

Guests at the luxury hotel enjoy ___complimentary access to the spa facilities.