
contribution for为…投稿;
contribution to〔toward〕对…的捐助〔贡献〕;
as a contribution作为…捐助
add contribution做出贡献;
collect contribution募捐;
make contribution捐款;
chief〔major〕 contribution主要贡献;
generous contribution慷慨的捐助;
outstanding contribution杰出的贡献;
valuable contribution有价值的贡献