Fans of electric cars say they are clean, quiet, and economical.
电动车爱好者说电动车无污染，无噪音，而且经济。
Buying in bulk is more economical than shopping for small quantities.
大批采购比少量购买更经济实惠。
Here's his advice for economical foodies.
这是他对经济型美食家的建议。
It emerged rapidly as an economical and political center.
它迅速崛起为一个经济和政治中心。
Wind power is most economical in areas with steady winds.
在风力稳定的地区，风力发电是最经济的发电方式。
We must find economical methods for extracting oil from shale.
我们必须找到从页岩中采油的经济方法。
Pricing carbon proves the most economical way to reduce greenhouse gas emissions.
碳定价被证明是减少温室气体排放最经济的方式。
A more economical approach was to use a sign to express not a whole word but a single syllable.
更经济的方法是使用一个符号来表达一个音节，而不是一个完整的单词。
As an economical and effective method, the expressway noise barrier is a primary measure to reduce traffic noise.
高速公路隔声屏障作为一种经济有效的方法，是降低交通噪声的主要措施。
He was economical in all areas of his life.
他在生活的各个方面都精打细算。
It is economical to run and ecologically sound.
它运行高效且有益生态。
It would be more economical to buy the bigger size.
买尺寸大点的更实惠。
His gestures were economical, his words generally mild.
他的手势简练，言语通常是温和的。
It is usually economical to buy washing powder in large quantities.
大量购买洗衣粉通常要省钱些。
Sometimes expensive drugs or other treatments can be economical in the long run.
有时昂贵的药物或其他疗法从长远来看是省钱的。
It should become smaller, safer, and more economical, and should not be powered by the gasoline engine.
它应该变得更小、更安全、更节油，而且不应该由汽油发动机驱动。
Thus, for any cut that the adhesive can hold closed as well as stitches can, it is more economical to use the adhesive.
因此，对于任何伤口，用起来更实惠的粘合剂可以保持关闭和缝线。
Even so, LEDs can still be economical.
即便如此，LED依旧经济。
He is more miserly than economical.
与其说他很节省，不如说他很小气。
Test automation is the only economical solution.
测试自动化是唯一经济的解决方案。
This is enjoyable, but not particularly economical.
这是享受，但不经济。
We bought a small house for economical reasons.
我们为了节省钱而买了一幢小房子。（表示不愿多花费）
But all-in-all, it's still a more economical choice.
但最重要的，这还是一种更加经济的选择。
Last time you told me that you wanted the most economical packaging.
上次你跟我说要最经济的包装。
Eagle was very economical, but the editor's words echoed in his ears.
鹰是个非常节约的人，但编辑的话回响在他耳边。
Well, maybe you didn't necessarily but that is economical theory.
也许你并非如此,但经济学理论确实如上所言
More economical than XML in terms of data size, at the expense of readability.
在数据可读性费用方面、就数据大小而言比XML更经济。
"That's why, when you walk, it's so economical and USES so little energy," he says.
“这就是为什么在你走路时会如此省力，”他说道。
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