[stock-in-trade] n (ca. 1771) 1: the equipment, merchandise, or materials necessary to or used in a trade or business
2: something that resembles the standard equipment of a tradesman or business "humor was her ~ as a writer"
[stock-in-trade] n (ca. 1771) 1: the equipment, merchandise, or materials necessary to or used in a trade or business
2: something that resembles the standard equipment of a tradesman or business "humor was her ~ as a writer"
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012