1630s, "owner, by royal grant, of an American colony," probably from proprietary (n.) in sense "property owner" (late 15c., see proprietary). In general sense of "one who holds something as property" it is attested from 1640s.
雙語例句
1. He was the sole proprietor with total management control.
他是唯一業主，掌握全部管理權。
來自柯林斯例句
2. The proprietor was an old acquaint-ance of his.
業主是他的一位舊相識。
來自柯林斯例句
3. He is now sole proprietor of the business.
他現在一個人擁有這家公司.
來自《簡明英漢詞典》
4. " What a fish it was, " the proprietor said.
“ 多大的魚呀, " 飯店老板說.
來自英漢文學 - 老人與海
5. " Well, you can suit yourself, Mr. Wheeler,'said the proprietor.