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.
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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