名词形式是contribution. 意思有“捐献”、“投稿”等意思。凡是有贡献，都可以叫contribution。contribute这个动词一般与to 连用。
chinglish: he also supplied his strength to this.
revision: he also contributed a lot to this.
version1 : thank you very much. you really helped a lot.
version 2: i really appreciate your great contribution.（看情况）
chinglish: you only know how to criticise others, but how much thing have you done yourself?
revision: you're a critic! where's your contribution?