Q: In this task, you are given a sentence in English, and your task is to translate it into Persian.
I had difficulty in believing you any other than a mere voice and vision,
A:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
چرا آنقدر برایم مشکل بود باور کنم که تو فقط صدا و تصویر نیستی.