efficient

a very efficient secretary.效率高的秘书

an efficient use of land.土地的有效使用

Lighting is now more energy efficient..如今的照明设备更加节能。

energy efficient,节能

efficient production,有效生产

efficient market,有效市场

efficient market hypothesis,有效市场假说；有效率市场假说

efficient performance,经营效果

efficient frontier,有效边界；效率前缘

efficient market theory,有效市场理论；效率市场理论

efficient allocation of resources,资源有效配置

efficient point,有效点

efficient markets hypothesis,有效市场假说