Terms for subject Idiomatic containing в качестве

Russian	English
в качестве общего правила	as a rule of thumb (Andrey Truhachev)
в качестве общего правила	as a rough guide (Andrey Truhachev)
сэкономить на материалах в ущерб качеству	cut corners ("It's usually a specific handful of project managers cutting corners and looking the other way. Doesn't take many assholes to ruin a project." "Even one bad project manager can make a project slow, shitty and inefficient. " (Reddit) ART Vancouver)
только в качестве демонстрации	only as display (напр., о рекламе товаров sheetikoff)