Tā yǐrán chéngwéi le zhège hángyè de lǐngjūn rénwù.
He has already become a leading figure in this industry.
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Literary and formal. In everyday speech, 已经 is used instead. 已然 appears in news articles, essays, and formal writing to add a sense of gravitas. It pairs naturally with 未然 (not yet): 防患于未然 (prevent problems before they happen).
