A smaller house will require less material to build, as well as less energy to heat and cool over the entire life of the structure.

一个较小的房子将需要更少的材料建造，以及较少的能量来加热和冷却对整个生命的结构。

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As these films use less material they are cheaper to produce, not least because they can be deposited on bases like metal, glass and plastic.

因为这些薄膜使用较少的原料，从而使得它们的生产成本更低。同样重要的是，它们可以被装配在诸如金属、玻璃和塑料等基底之上。

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It's also why, to extract a given quantity of metal, less material needs to be processed, which is the most environmentally destructive part of mining.

同样，提取同样数量的金属所需处理的物质相对较少。

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A farmer could save on wood or stone with a round design that needed less material than traditional barns.

VOA: special.2009.12.29

So for some you that are less interested in maybe the physical structure of an individual atom, now some more exciting material for you might be coming up if you like to think about how, instead, molecules behave, either within bonding, within themselves, or with other molecules, that's what we're going to be heading to in this next unit.

那么对于某些同学，你们或许不感兴趣,对于单个原子的物理结构，现在可能有令你感到兴奋的内容,要出现了，如果你更喜欢思考,分子的行为，或者是关于成键的，或者是关于它们本身的，又或者与其它分子之间的行为，这些将是我们下个单元要讲的内容。

麻省理工公开课 - 化学原理课程节选

You can go to any one of these times more comfortable, less comfortable, somewhere in between, and the focus of these sections will be on the material cover this week as well as potentially the start of next week and with a focus on problem set 1, which is the second problem set, 0 index which will go out via PDF this weekend.

只要你乐意，上哪堂课都可以，这些课程不仅覆盖了本周的学习内容,也可能囊括了,下周要学习的知识,请大家把注意力集中到我们的第二本习题集--习题集1上，这周末会以PDF格式发布出来。

哈佛公开课 - 计算机科学课程节选

But their screen resolution is less than the Mac's, meaning less material can be seen without scrolling.

WSJ: Ultrabooks Bring Light and Speedy to Windows

By adjusting its sophisticated, computer-guided machinery, Forte was able to make its products physically leaner, using less material and lowering costs.

WSJ: European Disunion: Euro's Allure Dims in Eastern Europe

There's a woman in the store-signage business, figuring out a way to make grocery store placards that are hollow--using less material and costing 20% less to produce.

FORBES: Magazine Article