contributive factor 促成因素
contributive role 起到...的作用
contributive element 贡献要素
A: Do you think his advice was contributive to your decision?
A：你认为他的建议对你的决定有帮助吗？
B: Yes, it played a major contributive role.
B：是的，它起到了主要的作用。
1) 有助于...的
2) 有贡献的
3) 促成某事发生的
1. 有助于……的；有贡献的
adjective
1. helping to cause something to happen
Synonym: helpful, instrumental, conducive