Translation of "Contributed" in Chinese

He contributed much to the development of the economy.

他为经济发展作了很多贡献。

Tom has contributed a lot of money to this hospital.

湯姆捐獻了很多錢給這間醫院。

The old man contributed a large sum of money to the poor.

那位老者捐了一大筆錢去幫助窮人。