Impact Of Kanye West On Rap The College Dropout Transformation How Changed Hiphop Forever With ' '

This change has no impact on the system's. My question is, should it be always followed by the preposition on? Her speech made a profound impact on everyone.

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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?

Impact 通常指“ 重大的影响 ”，名词，动词形式都有。我们先来看 impact: Nowadays, we often see the word impact being used as a verb. Oxford dictionaries gives the following. This change has no impact in the system's current behaviour.

I think we should have used on instead: