名词
中文翻译：Unknown
同义词：
['secrets', 'secrets', 'inside information']
例句：
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1. The company's inner facts are closely guarded.
这家公司的内部事实被严密保护。
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2. She learned the inner facts of the project from her boss.
她从老板那里了解到了项目的内幕。
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3. He shared some inner facts about his past with me.
他向我透露了一些关于他过去的内幕。