advance copya copy of a book, record etc that has not yet been made available to the public 〔书的〕样本；〔唱片的〕样片advance copy• By the time he did, her new book was out and her publishers had sent him an advance copy.• One day Harry comes into the office silently holding up an advance copy of one of the professional journals.• The Advocate wound up releasing advance copies of the interview to the media over Thanksgivinga week before our board meeting.
→ advance copy at advance3(3)