I think we should have used on instead: This change has no impact in the system's current behaviour. This change has no impact on the system's.
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Oxford dictionaries gives the following.
Her speech made a profound impact on everyone.
My question is, should it be always followed by the preposition on? 只谈医学领域,其他行业不清楚。 一作10分以上的research artical,那是相当硬气的。 10分的文章绝对能成为您的一篇代表作。 肿瘤研究领域可谓神仙打架,最高if为292。 即便如此,if. Is the preposition in grammatical here?