But Lampetra's unique propulsion system could also have useful applications, as it has proved an efficient way to move a machine through water.

但是七鳃鳗机器人的独特推进系统也可能有其它应用，比如它已被证明为推动机器在水中运动的有效方法。

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It has created a national framework for healthy, efficient, environmentally clever and affordable homes which it calls the Green Communities Criteria.

它已建立起一个健康、高效、环保智能和廉价的适用于全国范围的住宅建设框架，被其称之为绿色社区标准。

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The advantage of ZFS on FUSE is that it's simple to begin using ZFS, but it has the downside of not being efficient as it could be.

fuse中zfs的优点是易于开始使用ZFS，但是它的缺点是效率低。

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Tangent means that it has the same slope, it just touches the efficient portfolio frontier for risky assets at one point, and the slope of the efficient portfolio frontier, including the riskless asset, is a straight line that goes through the tangency point, here.

相切意味着斜率相同，它与包含风险资产的有效边界,交与一点，而包含无风险资产的，有效边界，则是一条过切点的直线，切点在这里。

耶鲁公开课 - 金融市场课程节选

So as your house gets bigger, it has to be more energy efficient and at some point, it has to actually have on-site renewables.

NPR: Boulder Wrestles with Mega Houses

But Lampetra's unique propulsion system could also have useful applications, as it has proved an efficient way to move a machine through water.

ECONOMIST: Robots

But it would be foolish to underestimate the ability of the world's biggest carmaker to put its house in order: it still has the most efficient system for product development and manufacturing, even if it must focus for the moment on quality control.

ECONOMIST: A crowded car industry