The research is too unfocused to have any significantimpact.
这一次的研究太零散，难以发挥重大的作用。
《牛津词典》
2
Information technology has had a significantimpact on the productivity of large enterprises.
信息科技已经对大型企业的生产力产生了重大的影响。
3
Ministers should also look at creating greater certainty in the rental environment, which would have a significantimpact on the ability of registered providers to fund new developments from revenues.