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know one's business

英 [know one's business]
美 [know one's business]

中文释义

精通自己一行

单词分析

单词结构:

know one's business

字母数:19

记忆提示

🎯 重点记忆:

  • 单词拼写:know one's business
  • 核心含义:精通自己一行

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更新时间:2026-01-08 10:31:34

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