ADJ-GRADED
有助益的;有幫助的;起作用的
Someone or something that is instrumental in a process or event helps to make it happen.
例句
In his first years as chairman he was instrumental in raising the company's wider profile...
他任董事長的最初幾年為提升公司的知名度起到了積極的推動作用。
Jesse Jackson was instrumental in the release of some of the hostages.
其中一些人質得以獲釋多虧了杰西·杰克遜。