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「〜ことが多い」 means 'it is often the case that ~' or 'I often do ~'. It's used after a verb's plain form to express that an action or situation occurs frequently or habitually. It describes a common pattern of behavior or events.

「〜が多い」は「よく〜する」という意味。ある行動や状況が頻繁に起こることを表す。