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: This change has no impact on the system's.
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My question is, should it be always followed by the preposition on?
I think we should have used on instead:
This change has no impact in the system's current behaviour. Her speech made a profound impact on everyone. Nowadays, we often see the word impact being used as a verb.
