The design is intended to use space as economically as possible.

这个设计方案是为了尽可能节省空间。

《牛津词典》

Others, however, have adopted the philosophy that it is best to use the water while it is still economically profitable to do so and to concentrate on high-value crops such as cotton.

然而，另一些人则采纳了这样一种理念，即最好是在仍然有利可图之时利用水，并集中用在棉花等高价值作物上。

youdao

Countries like Britain and Canada use a "points" system, which aims to select migrants who have educational levels or specialised skills that are deemed economically desirable.

像英国和加拿大等国使用的是积分系统，它的目标是挑选那些有教育背景或有专业技能的(这些在经济上被认为是需要的。)

youdao

How Brazilians finally decide on the most economically and environmentally sensible use of the Amazon forest will have a lot to do with agreements that emerge from the climate negotiations in Copenhagen.

VOA: standard.2009.12.17

So where do the U.S. and China stand, as they try to use each other economically while parrying strategically?

FORBES: China May Not Let a Distracted America Forget

In your opinion, is it necessary - as the industry says - to use asbestos to be economically feasible.

BBC: News Online

But a statement from Waverley council said the authority still considered the best outcome was to achieve an economically viable use for the site.

BBC: Conan Doyle Hindhead house put up for sale in Surrey