With the watch, you may be economical of your time. And then you will have the best achievements on the day.

有了表，你可以经济地使用你的时间，而且在那天会有最好的成就。

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Architectural significance can also be phrased as economical significance, since the primary driver for considering certain elements over others is the cost of creation and cost of change.

架构的重要性还可以以经济的重要性来表达，因为某些元素的主要驱动者是创建的成本和变更的成本。

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That could help address a major impediment to wide adoption of such technologies: They need heavy subsidies to be economical.

这可能有助于解决大规模采用这种技术的一个主要障碍：它们要想在经济上合算的话需要高额的补贴。

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Fortifying the food handed out by the PDS would be an economical and effective way to lower rates of anaemia and increase nutrition.

ECONOMIST: Child malnutrition in India

The company originally intended to use the technology in portable memory drives, but creating larger screens out of plastic turned out to be a more economical and feasible venture, Taussig said.

CNN: HP developing a 'Dick Tracy' wristwatch

Yes, outsourcing development and customer support may be more economical in the short term but the quality of the product we deliver by creating and supporting the product ourselves provides sustainability that well outweighs the additional cost.

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