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. Should it always take the preposition on or is it a matter of personal preference?
This change has no impact in the system's current behaviour. Her speech made a profound impact on everyone. Oxford dictionaries gives the following.
Is the preposition in grammatical here? The use of impact as a verb to indicate greater effect seems to have come into use in the 1960s. I think we should have used on instead: Is there a grammarians' consensus as to the usage of impact (as a verb)?
Nowadays, we often see the word impact being used as a verb. My question is, should it be always followed by the preposition on?