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辖域 scope  句法学术语。指句子中受算子(operator)作用而产生意义影响的片段。譬如量词或否定词都会影响句子的某一部分。英语的否定辖域一般是从否定词开始一直延伸至句末。例如:[1]I deliberately didn't ask her. [2]I didn't deliberately ask her. 两句话的意义不同,原因在于否定词not的辖域不同。句[1]中状语deliberately出现在否定辖域外,句[2]中则出现在否定辖域内。量词结构中有时会产生辖域歧义(scope ambiguity)。例如:[3]He does not beat his wife because he loves her. 此句为歧义句,因为否定量词“not”的辖域可以不同,有宽窄之别,据此可分别理解为:[4]He does not[beat his wife because he loves her]. [5]He does not beat his wife[because he loves her].参见“隐形移位”。


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