complimentary

赠送的；称赞的；问候的英释中释adjgiven free to people

1 complimentary ticket,优待券；赠票

2 complimentary close,结尾敬语，结尾客套语

1 There was a complimentary bottle of champagne in the hotel room..酒店客房里有一瓶免费赠送的香槟。

2 I’ve got some complimentary tickets for the theatre tonight..我有几张今晚的免费戏票。