1. We made a contribution to the disaster area.
    我们捐助灾区。

2. What is the most valuable contribution employees make to their companies, knowledge or judgment?
    员工对公司最有价值的贡献是什么，是知识还是判断力？

3. New technology has also made its own contribution to noise.
    新技术也为噪音作了它的贡献。

4. In Britain, Calder Hall on the coast of Cumberland first made its contribution to the National Electricity grid in 1957.
    在英国, 卡姆柏兰海岸上的考尔德豪尔电站在1957年首次为国家电网做出了贡献.