For now, most publishers are still wary about releasing books without copyright DRM.

目前，多数发行商对于发布没有版权的书本感到担忧。

youdao

Without copyright, whenever a creative work, such as a song, poem, or movie, entered the market, the artist would get little more than the initial payment for the initial use.

如果没有著作权的话，当一部作品进入市场的时候，如歌曲、诗歌或电影，创作者一般只能获得最初使用的最初付费。

youdao

The material can be copied without infringing copyright.

这份材料可以复制，不会侵犯版权。

《牛津词典》

For the government of Antigua to be selling US copyright items without paying those copyright holders for them.

FORBES: Antigua's Coming Legal Copyright Theft Site

During a conference call with the developer last October, Razorbill's editorial team puzzled over how to include music and video without committing copyright violations.

WSJ: Enhanced E-Books: Blowing Up the Book

Without strong copyright laws and treaties to protect computer programs as literary works a controversial development only 15 years ago Bill Gates might have a lot less market power now.

ECONOMIST: Nuclear fallout