The bulk of this series covers different aspects of how you can allow design to emerge as you develop rather than setting it in stone before you write your first line of code.

在编写第一行代码之前，本系列的大部分内容将介绍如何伴随着开发展开设计(而不是一成不变)的各个方面。

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Mice in this case are the first line of experimentation — the scientists hope to then expand the research out into other animals that can produce milk in bulk, like goats and cows.

其实，老鼠只是这个实验的第一个阶段，这些科学家希望以后能将这项研究扩展到其他能大量产奶的动物上，比如山羊和奶牛。

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For the incumbent telecoms operators, however, the quadruple play is all about protecting their core business of fixed-line voice calls, which still accounts for the bulk of their revenues.

然而，对于主体运营商来说，“四重奏”着实为占据他们很大一部分营业收入的核心业务——固定电话服务提供了保护。

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Its flexible durability aside, the cells currently operate at only one percent efficiency -- so you might want to buy those drapes in bulk to see a real bottom line kickback.

ENGADGET: MIT researchers revolutionize solar cell printing, fold the power of the sun into your everyday home (video)

But the bulk of this output is expected to flow through a new line running to Russia's Black Sea coast.

ECONOMIST: Oil out of troubled waters | The

But European countries, which are home to the bulk of the 1m-strong Kurdish diaspora, have followed a friendlier line towards the Kurds.

ECONOMIST: An ancient tragedy | The