Some people may be good or bad at understanding big words, science jargon, idioms, sports terms, emotional words, social-emotional ideas, science ideas, cat-related things, etc. I don't think that people should avoid using big words or talking about social-emotional ideas or cat-related things just because others might not understand big words or social-emotional ideas or cat-related things.
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Drain and plane and grain and blain your brain, and then again,
Propane and butane out of the gas main, your blain shall sustain!