They help to raise effectiveness of expressions instead of reducing accuracy in the scientific writing.

它们的使用不仅未减弱科技英语的准确性，反而在某种程度上有助于提高表达的有效性。

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Johnson, speaking at official sponsor Orange's Rugby World Cup preview event, said England need to build consistency and concentrate on accuracy, reducing the number of mistakes and keeping pressure on the opposition.

BBC: SPORT | Rugby Union | English | England 'must start playing well'