现今的人都很讲求效率。

Xiànjīn de rén dōu hěn jiǎngqiú xiàolǜ.

People nowadays really value efficiency.

他的工作效率非常高。

Tā de gōngzuò xiàolǜ fēicháng gāo.

His work efficiency is very high.

这台机器的效率很低。

Zhè tái jīqì de xiàolǜ hěn dī.

The efficiency of this machine is low.