Because the algorithm is proprietary, outside researchers cannot check whether its predictions were tested fairly.
由于该算法为专有技术，外部研究者无法核查其预测是否经过公正检验。
Software engineer Talia Brooks argues that open-source software is generally more secure than proprietary software because its code can be reviewed by anyone, allowing vulnerabilities to be found and fixed quickly.
From a Cross-Text Connections question · Craft and Structure
Which choice best defines “proprietary”?
D — Relating to ownership; privately owned.. “proprietary” means Relating to ownership; privately owned..
Which word means “Relating to ownership; privately owned.”?
C — proprietary. “proprietary” means Relating to ownership; privately owned..
proprietary — Relating to ownership; privately owned.. In Chinese: 专有的;专利的;所有者的.
proprietary is pronounced //prəˈpraɪətri//.
Because the algorithm is proprietary, outside researchers cannot check whether its predictions were tested fairly. (由于该算法为专有技术，外部研究者无法核查其预测是否经过公正检验。)
exclusive, patented, private — all close in meaning to proprietary (Relating to ownership; privately owned.).
public, open — each the opposite of proprietary (Relating to ownership; privately owned.).
Yes. proprietary is on the SAT Prep Difficult list — the higher-register words that decide the hard questions. The Digital SAT does not test vocabulary in isolation; words like this one are tested through Words in Context questions, where you choose the word that completes a passage most logically and precisely.
propriet(所有,property) + -ary → 归私人所有的 → 专有的。