| 单词 | trade secret | 
| 释义 | > as lemmastrade secret   trade secret  n. a secret technique, process, substance, etc., which is used in a particular trade or occupation, or by a particular industry or business, and provides a competitive advantage; (in extended use) any secret (often humorous). ΘΚΠ the mind > mental capacity > knowledge > secrecy, concealment > 			[noun]		 > something concealed, a secret > secret process secret1486 mystery1563 trade secret1825 1825    Blackwood's Edinb. Mag. May 542/1  				The principles of free trade, and the free circulation of trade-secrets, machinery, and workmen, must necessarily give the market to those who can sell the cheapest. 1928    R. B. McKerrow Introd. Bibliogr.  ii. x. 235  				Some of the best [facsimiles] are, I believe, produced by a process of lithography, but the details are probably a ‘trade secret’. 1978    G. Greene Human Factor  ii. iii. 82  				They [sc. advertising agencies] have secrets too—trade secrets. 2013    Sun 14 Oct. 35  				How did they make Tom..look taller than me in the film? That's a trade secret. < as lemmas | 
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