economical and practical

常见例句

This model of typewriter is efficient and durable, economical and practical for middle school students.
这个型号的打字机对中学生来说，高效、耐用、经济、实惠。
And when I have the honour of seeing her again, I shall certainly tell her how modest, economical and practical you are.
我下次有幸再见到她时，一定会告诉她你多么谦虚，多么勤俭，多么实际。
The practice shows that these measures are simple, economical and practical, and the reliability of the control system is improved.
实践表明，这些软件抗干扰的措施简单易行、经济实用，提高了控制系统的可靠性。

Smart cities and homes have gained extra urgency in recent years because advances in technology now make a lot of innovations—like shutting off your air conditioner from the car—practical and economical.
FORBES: Panasonic's Next Product: A Small Green Town