| 释义 | 
		be·cause AHD[bĭ-kôzʹ, -kŭzʹ] D.J.[bɪˈkɔːz, -ˈkʌz]K.K.[bɪˈkɔz, -ˈkʌz]conj.(连接词)- For the reason that; since.因为:为了…的原因;由于
 
 - Middle English * see  because of 中古英语 * 参见 because of
 
 - A traditional rule holds that the constructionthe reason is because  is redundant, and should be avoided in favor of the reason is that.   The usage is well established, however, and can be justified by analogy to constructionssuch asHis  purpose in calling her was  so that she would be forewarned of the change in schedule  or The last  time I saw her was  when she was leaving for college.   All three constructions are somewhat less than graceful, however. ·Whenbecause  follows a negated verb phrase, it should be preceded by a comma when thebecause  clause explains why the event did not  occur. He didn't marry her, because she was frivolous  means roughly, "Her frivolity was his reason for not marrying her.”When no comma is used, thebecause  clause is understood as part of what is being negated. He didn't marry her because she was frivolous  means roughly, "His reason for marrying her was independent of her frivolity.”See Usage Note at as 1传统的原则认为结构the reason is because 太累赘,应避免,而赞同使用 the reason is that 。  这种用法被广泛地接受,并可以用类似的结构证明是正确的,如他  呼唤她 的目的是以便 她能预先知道时间安排的改变 ,或者 最近 一次 我看见她是 当 她正要去学院时。  然而所这三种结构都有不够完美的地方。当because 跟着一个否定动词短语时, 该在它前面加一个逗号来表示这个because 从句解释的是为什么这件事 没有 发生。 他不娶她,因为她很轻浮。 粗略的意思是,  “她的轻浮是他不娶她的原因。”当没有用逗号时,这个because 从句被理解为被否定的部分。 他不娶她不是因为她轻薄, 粗略的意思是, “他和她结婚的原因与她的轻薄无关。” 参见 as1
 
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