Only humans have the biological capacity to communicate with a rich language based on symbols and rules, enabling us to pass on cultural ideas to future generations.

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Trade balances are a rich source of over-emotional language used by economic writers.

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They serve a rich community of learners from all over the world, crossing geographic, ethnic and language boundaries.

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Simple language can be elegant, and deceptively plain declarative syntax is capable of hinting at a rich emotional complexity teeming underneath.

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