Oxford dictionaries gives the following example: Her speech made a profound impact on everyone. Impact 通常指“ 重大的影响 ”，名词，动词形式都有。 我们先来看 impact:
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My question is, should it be always followed by the preposition on? Jacs au将作为jacs的补充，与世界上被引用最多的化学出版物《 jacs》的出色编辑和出版标准相匹配 launching in 2020, this fully open access journal will allow for the rapid. Nowadays, we often see the word impact being used as a verb.
