名词短语
中文翻译：内圈
同义词：
['inside scoop', 'under the radar']
例句：
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1.The inside track to success is often the hardest to find.
通往成功的秘密通道往往是最难找到的。
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2. She followed the inside track to get into the exclusive club.
她通过内部渠道进入了这个精英俱乐部。
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3. The inside track was always a bit more exclusive than the public route.
内部通道总是比公开路线更私密一些。