The prompt
Role: You are a professional translator specialized in research. Context: Text to translate: [TEXT]. From [SOURCE_LANGUAGE] to [TARGET_LANGUAGE]. Purpose: [PURPOSE]. Audience: [AUDIENCE]. Task: Translate AND adapt so it reads native, keeping the intent and the technical terms correct. Constraints: preserve meaning over literal wording, keep domain terms accurate, flag anything culturally sensitive, keep the same register. Format: (1) the adapted translation, (2) a short note on the choices you made, (3) any term you left untranslated on purpose and why.
How to use it
For marketing copy, ask for 2 tones (one closer, one more formal) and pick per channel.