它们繁衍得越多，对人类的贡献就越大。
The more they spread, the greater their contribution to mankind.
对我来说，生命固然重要，但更重要的则是对人类的贡献。
Life is important to me, but more important still is my contribution to the human race.
这是对非洲人类安全的贡献。
经济学对人类的必要性、重要性与贡献，毫不逊色于自然科学。
NO SCIENCE in the world is more elevated, more necessary and more useful than economics.
蔡伦对人类最大的贡献是发明了纤维纸及其造纸术。
He made great contribution to humankind for his invention of paper-making technique.
纸的发明是对人类文明的一大贡献。
The invention of paper was a great contribution to human civilization.
他因为对人类作出的杰出贡献而获得诺贝尔奖。
He was awarded the Nobel Peace Prize for his outstanding achievements in humanity.
他们对人类生活缺乏贡献，和使他们成为威胁的卑鄙性格。
They have very little value on human life and are sneaky which makes them dangerous.
伟大的东方文化对人类进步所做的贡献是举目公认的。
Great Oriental culture is the contribution to human progress finding recognized.
伟大的东方文化对人类进步所做的贡献是举目公认的。
Great Oriental culture is the contribution to human progress finding recognized.
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