He made important contribution in the realms of the piano pedagogy and theoretical research.
他在钢琴教学和钢琴演奏理论研究领域中，都做出了重要贡献。
He has made an important contribution to the company's success.
他对公司的成功作出了重要的贡献。
This is also an important contribution that China made to the world.
这也是中国对世界文明的一个重要贡献。
He has made an important contribution to the company's success.
他为公司的成功作出了重大的贡献。
He has made an important contribution to the company's success.
他为公司的成功作出了重大的贡献。
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