Complex sentence: Our linguistic systems contain a systemic complexity which supposedly could not be empirically derived: the environment seems too poor, variable and indeterminate, according to Chomsky, to explain the extraordinary ability to learn complex concepts possessed by very young children.
Split into simpler sentences: Our linguistic systems contain a systemic complexity which could not be empirically derived. The environment is too variable and indeterminate, according to Chomsky, to explain the extraordinary ability to learn complex concepts possessed by very young children.