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

As such, it was expected to be more economical, need a smaller crew, require less maintenance and allow improved automation of the various onboard systems.

ECONOMIST: MONITOR