be economical

It would be more economical to buy the bigger size.

买尺寸大点的更实惠。

《牛津高阶英汉双解词典》

Where coal is cheap, steam power may be economical.

煤便宜的地方，蒸汽动力就经济。

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For ensuring the mining production to be economical, continuous and in a state of equilibrium, one of the necessary steps to be taken is to account, determine, and balance the workable ore reserves.

各级矿量的计算与确定以及其间的平衡是保证矿山经济合理地持续、均衡生产的必要条件之一。

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And more than 360 tons Cadmium was discarded in waste Ni-Cd batteries in china only in 2000. It would be economical if they were recycled properly.

在国内，仅2000年，在废镍镉电池中约含有360多吨的镉。

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Sometimes expensive drugs or other treatments can be economical in the long run

有时昂贵的药物或其他治疗方法从长远来看可能是比较划算的。

柯林斯高阶英汉双解学习词典

The purity of the manganese produced herefrom can reach 99.8%. The process proved to be simple and feasible and possess tangible economical and environmental benefit.

本工艺简单可行，产品金属锰纯度达99.8%以上，经济和环境效益显著。

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It is a economical, feasible technology with no wastes to be discharged and less cost in operation.

实践证明该技术经济、可行、具有低成本、无污染的特点。

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The vehicles used must be ready to swing into action at any time, they must be economical and perfectly equipped for the job.

从事这些工作的车辆不但必须时刻做好进入工作状态的准备，还必须拥有良好的经济性和精良的装备。

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What just is sent can forever take out mustache. And be economical?

有什么方发能永远去掉胡子. 而且省钱 吗 ?

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To be efficient means to be economical, that is, to exert the least effort to get the most return.

有效率意味着要讲经济，也就是要用最少的付出获得最大的回报。

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A prudent man would scarcely be a listless, lounging fellow, would be economical or trust-worthy.

谨慎的人不可能是毫无目标懒散的家伙, 他是个节约而且值得信赖的人.

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Sometimes expensive drugs or other treatments can be economical in the long run.

有时昂贵的药物或其他治疗方法从长远来看可能是比较划算的。

《柯林斯高阶英汉双解学习词典》

To be economical these processes will require efficient solvent recovery operations.

若要经济,就要有有效的溶剂回收工序.

词典精选例句

Using Tidal power to generate electricity can be economical, not occupied land, nor pollute the environment.

利用潮流能发电既经济 、 不占土地, 也不污染环境.

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He has to be economical, because he hasn't much money.

他非得节俭不可，因为他没多少钱。

词典精选例句

Therefore, what woodworker factories and furniture factories are looking forward to is that there could be economical manufactures of CNC Routing, which not only content the request of processing precision but also produce in batch to satisfy market requirement.

因此如能有价格适宜的经济型数控镂铣产品，既能满足加工精度的要求，又能形成经济批量，满足市场的需求，这无疑是广大木工及家具生产厂家所渴望的。

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