proprietary
adjective [ before noun ] uk/prəˈpraɪə.tər.i/ us/prəˈpraɪə.ter.i/
所有（人）的，业主的
relating to owning something, or relating to or like an owner
I just assumed he owned the place - he had a proprietary air about him. 我想当然地以为这个地方是他的——他有一副主人的架势。
专有的;专卖的
Proprietary goods are made and sent out by a particular company whose name is on the product.
proprietary medicines 专卖药品