现在大众已经意识到，以牺牲环境为代价来追求经济发展并不明智。

The general public has realized that it's unwise to pursue economic development at the sacrifice of the environment.

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大多数现有品牌设计师都发现找不到满意的有机布料来取代现在使用的，顾客已经习惯了的布料。

Most designers with existing labels are finding there aren't comparable fabrics that can just replace what you're doing and shat your customers are used to.

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在过去的几十年里，美国的中产阶级家庭曾经依靠努力工作和公平竞争来保证自己的财务安全，但现在的经济风险和新出现的情况已经改变了这种状况。

During the past generation, the American middle-class family that once could count on hard work and fair play to keep itself financially secure has been transformed by economic risk and new realities.

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Let me cluster them because really what I have, sorry, separate them out. I've gone from one problem size eight down to eight problems of size one.

让我把它们聚集起来，因为已经得到我想要的，抱歉，把它们分开来,现在我从一个长度为8的问题,得到了八个长度为1的问题。

麻省理工公开课 - 计算机科学及编程导论课程节选

So, this is just one example of how these properties can already, even our understanding just talking about single atoms, can already make an impact in these biological systems.

这只是一个例子，通过它我们可以看到，尽管我们仅仅讲到了单个原子，但我们现在已经可以用它的性质来理解一些生物系统。

麻省理工公开课 - 化学原理课程节选

All right. So now, we've got it I've got the code up for you.

好，现在我们已经明白这一方法了,现在让我们来看看代码。

麻省理工公开课 - 计算机科学及编程导论课程节选