Just as important as the compulsion to bring the fantasy to life is the element or elements that are unique to a particular murderer, experts say.

Carolyn

分析：Just as important as the compulsion to bring the fantasy to life is the element or elements that are unique to a particular murderer, experts say.

句子结构分析原句："Just as important as the compulsion to bring the fantasy to life is the element or elements that are unique to a particular murderer, experts say."
这句话较为复杂，我们可以将其拆解分析：

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1. 主干部分

• 主语："the element or elements that are unique to a particular murderer"（对特定杀手来说独特的因素或多个因素）
• 谓语："is"（是）
• 表语："Just as important as the compulsion to bring the fantasy to life"（和将幻想变为现实的冲动一样重要）
  

所以，核心结构是：

The element or elements … is just as important as the compulsion …
（这些独特的因素和将幻想变为现实的冲动一样重要。）

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2. 各部分解析
(1) 表语结构"Just as important as the compulsion to bring the fantasy to life"

• just as … as …：表示“和……一样……”，表比较。
• important：形容词，意为“重要的”。
• the compulsion to bring the fantasy to life：
  
  • the compulsion：冲动、强迫性的欲望。
  • to bring the fantasy to life：动词不定式短语，意为“将幻想变为现实”。
    

整体意思：
“（某个因素）和‘将幻想变为现实’的冲动一样重要。”

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(2) 主语部分"the element or elements that are unique to a particular murderer"

• the element or elements：单个或多个因素。
• that are unique to a particular murderer：定语从句，修饰“the element or elements”。
  
  • that are unique to …：意为“对……来说是独特的”。
  • a particular murderer：某个特定的杀手。
    

整体意思：
“对某个特定杀手来说独特的因素（或多个因素）。”

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(3) 句尾的“experts say”

• experts say：专家说（这是插入的信息，表示此句的观点来自专家）。
• 这个短语可以放在句首、句中或句尾，类似于“专家认为”或“据专家所说”。
  

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3. 句子翻译“专家表示，对某个特定杀手来说独特的因素（或多个因素），与将幻想变为现实的冲动一样重要。”