写作，究其根本，就是一种沟通的方式。
究其根本，选择就在于此。
究其根本原因，是技术创新的动力严重不足。
Study the most fundamental reason is just that lack of motivation to promote innovation.
语言，究其根本，是一种活生生的、不断演变的社会元素。
Language, by its nature, is a living, ever-changing force in society.
有些符合语法规则的短语不能成立，究其根本原因在于语义。
Why some phrases that are in agreement with grammatical rules do not make sense?
有些符合语法规则的短语不能成立，究其根本原因在于语义。
Why some phrases that are in agreement with grammatical rules do not make sense?
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