advance copy

US /ədˈvæns ˈkɑːp.i/
UK /ədˈvæns ˈkɑːp.i/
"advance copy" picture
1.

預發本, 樣書

a copy of a book, film, or other product that is provided before its official release, typically for review or promotional purposes

:
The publisher sent an advance copy of the novel to several literary critics.
出版商將小說的預發本寄給了幾位文學評論家。
We received an advance copy of the new software for testing.
我們收到了新軟體的預發本進行測試。