Definition: given free, especially by a business Level: C2
餐厅提供了一杯免费的葡萄酒作为晚餐的一部分。
The restaurant offered a ___complimentary glass of wine with dinner.
图书馆经常从出版商那里收到免费的副本。
Libraries often receive ___complimentary copies from publishers.
作为感谢的象征，酒店为所有客人提供免费早餐。
As a token of appreciation, the hotel provides ___complimentary breakfast to all guests.
