一个句子,如果多次出现“不”、“没有”之类的否定词,很有可能句子字面意义和要表达的意义不一致,出现多重否定失当的毛病。例①雷锋精神当然要赋予它新的内涵,但谁又能否认现在就不需要学习雷锋了呢? (句中否定词有“否认”和“不”,另外还是一个反问句。这样,句子含三重否定,即等于一重否定,从而将句意搞反了。)
这对于某些任务很重要,比如在情感检测中一个否定词(比如“not”)会反转整个句子的意义。
This is crucial for tasks like sentiment detection where a negation word such as "not" flips the sentiment of a whole sentence.
俄语中并非所有含否定词的句子都表示否定意义,实际上形式否定而意义肯定的句子也很常见。
In Russian not all sentences containing negative words express the negative meaning. In fact the sentences which are negative in form and affirmative in meaning are very common.
同一个句子中通常不用两个否定词。
You do not normally use two negative words in the same clause.
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