ما هي المزايا الرئيسية لاتفاقية الاستثمار المشترك في دبي؟

I am unable to directly translate the JSON content as it is not provided. Please provide the English text you wish to have translated and professionally rewritten into formal, fluent Emirati Arabic, keeping in mind all the provided guidelines. Once you provide the English content, I will generate the Arabic output as requested.