contribute

verb
B2
OPAL
1
B2
to give something, especially money or goods, to help achieve or provide something
اهدا کردن, کمک کردن, سهم داشتن
2
B2
to be one of the causes of something
سبب شدن, مشارکت کردن, کمک کردن, سهیم شدن در
Human error may have been a contributing factor.
It is well known that UV radiation contributes to the development of skin cancer.
Investment in transport contributes to overall economic growth.
Medical negligence was said to have contributed to her death.
England fans are contributing hugely to the success of this event.
US policy has contributed to the problem.
Several factors may be contributing to the fall in the number of applicants.
3
B2
to increase, improve or add to something
افزودن, افزودن به, مشارکت کردن, سهیم بودن
Immigrants have contributed to British culture in many ways.
Parental involvement contributes significantly to children's learning.
Hall's work contributed greatly to our knowledge of the disease.
This book contributes little to our understanding of the subject.
4
B2
to write things for a newspaper, book, website, etc. or a radio or television programme; to speak during a meeting or conversation, especially to give your opinion
مشارکت کردن, نویسندگی کردن, کمک کردن, نظر دادن
The blog now has about 20 people contributing regularly.
a contributing editor
We hope everyone will contribute to the discussion.
Associated Press contributed to this report.
He contributed a piece on Canadian law.
She contributed a number of articles to the magazine.