每天24小时营业很快就证明是不经济的。

It soon proved uneconomical to stay open 24 hours a day.

《牛津词典》

这是享受，但不经济。

This is enjoyable, but not particularly economical.

youdao

他们采用不经济的生产程序导致亏本。

They lost money because of an uneconomic production process.

youdao

Suppose we don't know what economic circumstances we'd be born into and what kind of contingencies we'd have in life.

假设我们不知道,将会在怎样的经济环境中生存,而生命中又会有怎样的意外发生。

耶鲁公开课 - 金融市场课程节选

Without worrying about the economics of it a second, how would we find that just as a math exercise?

不需要考虑经济学的理论,用数学的方法怎么来求解啊

耶鲁公开课 - 博弈论课程节选

On other, on other grounds You, a professional economist, do not bring your expertise to bear on this man in evaluating him?

那是站在其他的角度,你可是一名专业的经济学家呢，难道你不,利用自己专业的评价来给他加点分吗？

斯坦福公开课 - 经济学课程节选