To read English when we found that we can guess from hard subtitles (Explanation) Although the narration does not use words directly, it can allow us to interpret.
Reading on, we find the most difficult we can guess from the subtitle (Explanation) The subtitle will not use words directly, it can lead us to interpret them.
Reading English when we found in the hard part we can guess from the caption (Explanation). Although the narration is not used directly, it can make the vocabulary we interpret it.