Complex sentence: There is evidence that, contrary to traditional ideas of linguistics, suggests that the actual sounds of spoken language have much more to do with actual language meaning: this causes extra difficulty and inaccuracies in online language acquisition and processing.
Split into simpler sentences: There is evidence that suggests that, contrary to traditional ideas of linguistics, the sounds of spoken language have much more to do with language meaning. This causes difficulty and inaccuracies in online language acquisition and processing.