trade secret

1. Lit. a secret way of making or selling a product; a business secret. The exact formula of the soft drink is a trade secret.

2. Fig. any secret method. (Jocular.) A: How do you manage to sell so many of these each month? B: It's a trade secret.

Name	Pronounced	Usage
Kelsie	KEL-see	English (Modern)
Rosendo	-	Spanish
Hoshi	ho-shee	Japanese
Ziegler	['zi:glə]
Karoliina	KAH-ro-lee:-nah	Finnish
Iob	-	Biblical Latin, Biblical Greek