Now I am going to break this into elementary steps and look at the relative contributions.

我会把这整个变化过程化为几个基本的步骤,去考察每一步的变化量。

麻省理工公开课 - 固态化学导论课程节选

And, as you know, Einstein made many, many, many very important contributions to science and relativity, but he called this his one single most important contribution to science the relationship between energy and frequency and the idea of photons.

于这些波包里，你们也知道，爱因斯坦在科学和相对论上,做出了非常非常非常多的贡献,但它把这个叫做他对科学,最重要的贡献，就是能量和,频率之间的关系以及光子的概念。

麻省理工公开课 - 化学原理课程节选

The idea, of course, is that we have a legal entity--a corporation-- that issues shares that are either given to people or purchased by people and the idea is that shares represent contributions.

最初的做法是,一个法人实体即公司,发行股票,然后发放或卖给人们,理念就是,股票象征着贡献

耶鲁公开课 - 金融市场课程节选