人或物被买后，由买主独占或独享，与原主即已没有关系to buy outright

• 他最近买断了一家铸造厂的经营权。

  Recently he bought out the power to manage a foundry.

• 黎明服装集团买断了辽展文化广场的冠名权。

  The Liming Apparel Group bought outright the naming rights to the Liaozhan cultural square.