Question

impact sth还是impact on sth？

Answer 1

都可以的，前者impact是及物动词，后者impact是不及物动词。

impact sth
Tight fitting clothes like jeans also impact fertility, he said.
他说,牛仔裤之类的紧身衣裤同样对生育力有影响。

impact on sth
It is obvious how bad movies will impact on children.
坏电影对儿童会产生什么影响是显而易见的。
The embargo impacted on export revenues.
禁运对出囗总收入有很大的影响。