做出贡献英文

contribute to例句：Fireworks contribute to Beijing's smog.烟火为北京的浓雾做贡献。make contribution to例句：He makes his biggest contribution to the company. 他为公司做出了自己最大的贡献。

make a contribution to

contribute to例句：Fireworks contribute to Beijing's smog.烟火为北京的浓雾做贡献.make contribution to例句：He makes his biggest contribution to the company. 他为公司做出了自己最大的贡献....

make a contribution to doing sth.