Chūbǎnshè yǐ gāojià mǎiduàn le zhè běn shū de bǎnquán.
The publisher paid a high price to buy out the rights to this book.
Tips
usage
Composed of 买 'buy' + 断 'cut off / once and for all.' The 断 adds the nuance that all rights or future claims are fully severed - you don't just license, you own outright. Common in contracts, rights deals, and employment severance (工龄买断).
