Instrumental: &help&play an important role

1. 细节决定成败，强调细节的重要性，Details are instrumental in achieving success.

2. 可用来表示当别人对我们有所帮助，In your inimitable and wonderful ways, you have each been instrumental in helping me bring the book to life.

In China, for example. Jackie Chan, a famous film star was instrumental in bringing about that country's recent ban on the sales of elephant ivory, has thrown his weight behind the pangolin.(穿山甲)

3. Instrumental 常用搭配：

adj 搭配： be highly/largely/partly instrumental in.....在...方面起很重要，很大，部分作用。They were highly instrumental in bringing the business to the Newtown.

adv搭配： purely/ mere/essentially/very instrumental....

4. 翻译：教育改变了我的命运。

Education was instrumental in changing my destiny.

5: 场景：掌握一门外语很有用

It is highly instrumental in having a  good command of a foreign language.