起决定性的作用用英语怎么说

Question

如题所述

Answer 1

起决定性的作用
Play a decisive role
决定性的作用
[网络] crucial effect;
[例句]在这次调查中， 鉴定起了决定性的作用。
DNA fingerprinting has proved the clincher in this investigation

Answer 2

对应的英语：
Play a decisive role.
例如：
His idea plays a decisive role in the project.
or: act a decisive role.