He has made a contribution to our work.
他对我们的工作做出了贡献。
Miss Liu has made a contribution to education.
李老师对教育做出了贡献。
They have made a contribution of inestimable importance.
他们作出了难以估量的重大贡献。
They made a contribution to the improvement of the environment.
他们对于环境的改善做出了贡献。
The winner has paid his tax and made a contribution to society.
中奖者已经缴税了，对社会作了贡献。
Everyone at the party happily made a contribution to the charity.
每个参加派队的人都很乐意捐款给这个慈善机构。
Everyone at the party happily made a contribution to the charity.
每个参加派队的人都很乐意捐款给这个慈善机构。
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