一般

универсальный (The one-size-fits-all interest rate applied across the eurozone.); универсальный (There's no "one size fits all" solution to health and social care integration. 4uzhoj); стандартный (designed to be suitable for a wide range of situations or needs Х a one-size-fits-all monetary policy Х There cannot be a one-size-fits-all answer, since different teaching methods work best in different countries. OALD Alexander Demidov); безразмерный (например: безразмерные валенки hellbourne); единый (a one-size-fits-all attitude, method, plan etc is designed to please everyone or be suitable for every situation, often with the result that it is not successful. LDOCE. a one-size-fits-all monetary policy There cannot be a one-size-fits-all answer, since different teaching methods work best in different countries. OALD. a one-size-fits-all approach to education. MWALD Alexander Demidov); на любой случай (suitable for everyone or for every purpose Alexander Demidov)

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шаблонный (напр., подход Moscowtran); "штампованный" (Moscowtran)

惯用语

подход, единый для всех (it's a one-size-fits-all approach to education in the US Val_Ships)

one size fits all