It turns out the "Dual Audio" didn't refer to the languages in the file. It referred to the two voices now sharing his head.
This refers to the audio codec (Advanced Audio Coding). It provides clear stereo sound. smile 2022 720p webrip x264 aac dual audio link
A 720p file usually averages between 800MB and 1.2GB. This is perfect if you have limited hard drive space or a slower internet connection. It turns out the "Dual Audio" didn't refer