他们社会最令人印象深刻的一点是公共服务的效率。

The impressive thing about their society is the ___efficiency of the public services.

这款新车型因其出色的燃油效率而受到好评。

This new model of car has been praised for its excellent fuel ___efficiency.

现代技术使商业活动能以更快的速度和更高的效率进行。

Modern technology allows business to be conducted with greater speed and ___efficiency.