advance copy
US /ədˈvæns ˈkɑːp.i/
UK /ədˈvæns ˈkɑːp.i/

名詞
1.
先行版, 見本
a copy of a book, film, or other product that is provided before its official release, typically for review or promotional purposes
例:
•
The publisher sent an advance copy of the novel to several literary critics.
出版社は小説の先行版を数人の文芸評論家に送った。
•
We received an advance copy of the new software for testing.
新しいソフトウェアの先行版をテスト用に受け取った。
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